69916631 has 8 divisors (see below), whose sum is σ = 74131200. Its totient is φ = 65713408.

The previous prime is 69916607. The next prime is 69916663. The reversal of 69916631 is 13661996.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 69916631 - 2²⁶ = 2807767 is a prime.

It is a super-2 number, since 2×69916631² = 9776670580780322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69916831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12170 + ... + 16968.

It is an arithmetic number, because the mean of its divisors is an integer number (9266400).

Almost surely, 2^69916631 is an apocalyptic number.

69916631 is a deficient number, since it is larger than the sum of its proper divisors (4214569).

69916631 is a wasteful number, since it uses less digits than its factorization.

69916631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5673.

The product of its digits is 52488, while the sum is 41.

The square root of 69916631 is about 8361.6165303128. The cubic root of 69916631 is about 411.9648519204.

The spelling of 69916631 in words is "sixty-nine million, nine hundred sixteen thousand, six hundred thirty-one".