69790431 has 8 divisors (see below), whose sum is σ = 93957760. Its totient is φ = 46075032.

The previous prime is 69790387. The next prime is 69790447. The reversal of 69790431 is 13409796.

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

It is not a de Polignac number, because 69790431 - 2⁶ = 69790367 is a prime.

It is a super-2 number, since 2×69790431² = 9741408518331522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69790431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69790471) 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, 112621 + ... + 113238.

It is an arithmetic number, because the mean of its divisors is an integer number (11744720).

Almost surely, 2^69790431 is an apocalyptic number.

69790431 is a deficient number, since it is larger than the sum of its proper divisors (24167329).

69790431 is a wasteful number, since it uses less digits than its factorization.

69790431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225965.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 69790431 is about 8354.0667342319. The cubic root of 69790431 is about 411.7168361730.

The spelling of 69790431 in words is "sixty-nine million, seven hundred ninety thousand, four hundred thirty-one".