3645635070 has 128 divisors (see below), whose sum is σ = 11482767360. Its totient is φ = 717655680.

The previous prime is 3645635047. The next prime is 3645635117. The reversal of 3645635070 is 705365463.

It is a super-2 number, since 2×3645635070² = 26581310127227809800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2359 + ... + 85421.

It is an arithmetic number, because the mean of its divisors is an integer number (89709120).

Almost surely, 2^3645635070 is an apocalyptic number.

3645635070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3645635070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5741383680).

3645635070 is an abundant number, since it is smaller than the sum of its proper divisors (7837132290).

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

3645635070 is a wasteful number, since it uses less digits than its factorization.

3645635070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83110.

The product of its (nonzero) digits is 226800, while the sum is 39.

The square root of 3645635070 is about 60379.0946437589. The cubic root of 3645635070 is about 1539.0677257837.

The spelling of 3645635070 in words is "three billion, six hundred forty-five million, six hundred thirty-five thousand, seventy".