3547694376 has 80 divisors (see below), whose sum is σ = 9947906100. Its totient is φ = 1181246976.

The previous prime is 3547694357. The next prime is 3547694377. The reversal of 3547694376 is 6734967453.

It is a happy number.

3547694376 is a `hidden beast` number, since 3 + 547 + 6 + 94 + 3 + 7 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3200617476 + 347076900 = 56574^2 + 18630^2 .

It is a super-2 number, since 2×3547694376² = 25172270771004058752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (3547694377) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 705760 + ... + 710768.

Almost surely, 2^3547694376 is an apocalyptic number.

3547694376 is a gapful number since it is divisible by the number (36) 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 3547694376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4973953050).

3547694376 is an abundant number, since it is smaller than the sum of its proper divisors (6400211724).

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

3547694376 is a wasteful number, since it uses less digits than its factorization.

3547694376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6120 (or 6107 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 54.

The square root of 3547694376 is about 59562.5249296905. The cubic root of 3547694376 is about 1525.1599761943.

The spelling of 3547694376 in words is "three billion, five hundred forty-seven million, six hundred ninety-four thousand, three hundred seventy-six".