3547695660 has 96 divisors (see below), whose sum is σ = 10651253760. Its totient is φ = 879111168.

The previous prime is 3547695659. The next prime is 3547695721. The reversal of 3547695660 is 665967453.

It is a happy number.

3547695660 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3547695660² = 25172288991965671200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58567 + ... + 102593.

It is an arithmetic number, because the mean of its divisors is an integer number (110950560).

Almost surely, 2^3547695660 is an apocalyptic number.

3547695660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3547695660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5325626880).

3547695660 is an abundant number, since it is smaller than the sum of its proper divisors (7103558100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3547695660 is a wasteful number, since it uses less digits than its factorization.

3547695660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44135 (or 44133 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 51.

The square root of 3547695660 is about 59562.5357082789. The cubic root of 3547695660 is about 1525.1601601922.

The spelling of 3547695660 in words is "three billion, five hundred forty-seven million, six hundred ninety-five thousand, six hundred sixty".