68031474 has 32 divisors (see below), whose sum is σ = 157637760. Its totient is φ = 19170432.

The previous prime is 68031443. The next prime is 68031503. The reversal of 68031474 is 47413086.

It is a super-2 number, since 2×68031474² = 9256562909225352, which contains 22 as substring.

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, 8029 + ... + 14160.

It is an arithmetic number, because the mean of its divisors is an integer number (4926180).

Almost surely, 2^68031474 is an apocalyptic number.

68031474 is an abundant number, since it is smaller than the sum of its proper divisors (89606286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68031474 is a wasteful number, since it uses less digits than its factorization.

68031474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22274.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 68031474 is about 8248.1194220258. The cubic root of 68031474 is about 408.2284740140.

The spelling of 68031474 in words is "sixty-eight million, thirty-one thousand, four hundred seventy-four".