68874057 has 80 divisors (see below), whose sum is σ = 125065600. Its totient is φ = 37721376.

The previous prime is 68874049. The next prime is 68874059. The reversal of 68874057 is 75047886.

It is not a de Polignac number, because 68874057 - 2³ = 68874049 is a prime.

It is a super-3 number, since 3×68874057³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68874059) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1027938 + ... + 1028004.

It is an arithmetic number, because the mean of its divisors is an integer number (1563320).

Almost surely, 2^68874057 is an apocalyptic number.

68874057 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

It is an amenable number.

68874057 is a deficient number, since it is larger than the sum of its proper divisors (56191543).

68874057 is an equidigital number, since it uses as much as digits as its factorization.

68874057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 68874057 is about 8299.0395227400. The cubic root of 68874057 is about 409.9068933931.

The spelling of 68874057 in words is "sixty-eight million, eight hundred seventy-four thousand, fifty-seven".