69613690 has 16 divisors (see below), whose sum is σ = 125660160. Its totient is φ = 27766480.

The previous prime is 69613679. The next prime is 69613711. The reversal of 69613690 is 9631696.

It is a happy number.

It is a super-2 number, since 2×69613690² = 9692131670832200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6106 + ... + 13285.

It is an arithmetic number, because the mean of its divisors is an integer number (7853760).

Almost surely, 2^69613690 is an apocalyptic number.

69613690 is a deficient number, since it is larger than the sum of its proper divisors (56046470).

69613690 is a wasteful number, since it uses less digits than its factorization.

69613690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19757.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 69613690 is about 8343.4818870781. The cubic root of 69613690 is about 411.3689911680.

The spelling of 69613690 in words is "sixty-nine million, six hundred thirteen thousand, six hundred ninety".