68231494 has 24 divisors (see below), whose sum is σ = 106706520. Its totient is φ = 32706432.

The previous prime is 68231479. The next prime is 68231507. The reversal of 68231494 is 49413286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 766602 + ... + 766690.

It is an arithmetic number, because the mean of its divisors is an integer number (4446105).

Almost surely, 2^68231494 is an apocalyptic number.

68231494 is a deficient number, since it is larger than the sum of its proper divisors (38475026).

68231494 is an equidigital number, since it uses as much as digits as its factorization.

68231494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 223 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 68231494 is about 8260.2357109225. The cubic root of 68231494 is about 408.6281614002.

The spelling of 68231494 in words is "sixty-eight million, two hundred thirty-one thousand, four hundred ninety-four".