68296431 has 16 divisors (see below), whose sum is σ = 109548800. Its totient is φ = 36972288.

The previous prime is 68296387. The next prime is 68296451. The reversal of 68296431 is 13469286.

It is not a de Polignac number, because 68296431 - 2⁷ = 68296303 is a prime.

It is a super-2 number, since 2×68296431² = 9328804974675522, 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 68296431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68296451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85186 + ... + 85983.

It is an arithmetic number, because the mean of its divisors is an integer number (6846800).

Almost surely, 2^68296431 is an apocalyptic number.

68296431 is a deficient number, since it is larger than the sum of its proper divisors (41252369).

68296431 is a wasteful number, since it uses less digits than its factorization.

68296431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171198.

The product of its digits is 62208, while the sum is 39.

The square root of 68296431 is about 8264.1654751100. The cubic root of 68296431 is about 408.7577529414.

The spelling of 68296431 in words is "sixty-eight million, two hundred ninety-six thousand, four hundred thirty-one".