34687815625 has 12 divisors (see below), whose sum is σ = 43356998412. Its totient is φ = 27750250000.

The previous prime is 34687815601. The next prime is 34687815629. The reversal of 34687815625 is 52651878643.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 24965264016 + 9722551609 = 158004^2 + 98603^2 .

It is not a de Polignac number, because 34687815625 - 2⁷ = 34687815497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34687815629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5546926 + ... + 5553175.

It is an arithmetic number, because the mean of its divisors is an integer number (3613083201).

Almost surely, 2^34687815625 is an apocalyptic number.

It is an amenable number.

34687815625 is a deficient number, since it is larger than the sum of its proper divisors (8669182787).

34687815625 is an frugal number, since it uses more digits than its factorization.

34687815625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11100126 (or 11100106 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 55.

The spelling of 34687815625 in words is "thirty-four billion, six hundred eighty-seven million, eight hundred fifteen thousand, six hundred twenty-five".