68940333574 has 32 divisors (see below), whose sum is σ = 119071524096. Its totient is φ = 29324424480.

The previous prime is 68940333569. The next prime is 68940333587. The reversal of 68940333574 is 47533304986.

It is a super-2 number, since 2×68940333574² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1397469 + ... + 1445959.

It is an arithmetic number, because the mean of its divisors is an integer number (3720985128).

Almost surely, 2^68940333574 is an apocalyptic number.

68940333574 is a deficient number, since it is larger than the sum of its proper divisors (50131190522).

68940333574 is a wasteful number, since it uses less digits than its factorization.

68940333574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49260.

The product of its (nonzero) digits is 6531840, while the sum is 52.

The spelling of 68940333574 in words is "sixty-eight billion, nine hundred forty million, three hundred thirty-three thousand, five hundred seventy-four".