68574957 has 32 divisors (see below), whose sum is σ = 106251264. Its totient is φ = 38880000.

The previous prime is 68574943. The next prime is 68574967. The reversal of 68574957 is 75947586.

It is not a de Polignac number, because 68574957 - 2⁴ = 68574941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68574907) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140568 + ... + 141054.

It is an arithmetic number, because the mean of its divisors is an integer number (3320352).

Almost surely, 2^68574957 is an apocalyptic number.

It is an amenable number.

68574957 is a deficient number, since it is larger than the sum of its proper divisors (37676307).

68574957 is a wasteful number, since it uses less digits than its factorization.

68574957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769.

The product of its digits is 2116800, while the sum is 51.

The square root of 68574957 is about 8280.9997584833. Note that the first 3 decimals coincide. The cubic root of 68574957 is about 409.3126635616.

The spelling of 68574957 in words is "sixty-eight million, five hundred seventy-four thousand, nine hundred fifty-seven".