71930572 has 24 divisors (see below), whose sum is σ = 147209216. Its totient is φ = 30109968.

The previous prime is 71930567. The next prime is 71930629. The reversal of 71930572 is 27503917.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28668 + ... + 31075.

Almost surely, 2^71930572 is an apocalyptic number.

It is an amenable number.

71930572 is an abundant number, since it is smaller than the sum of its proper divisors (75278644).

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

71930572 is a wasteful number, since it uses less digits than its factorization.

71930572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59797 (or 59795 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 71930572 is about 8481.1893033937. The cubic root of 71930572 is about 415.8830030330.

The spelling of 71930572 in words is "seventy-one million, nine hundred thirty thousand, five hundred seventy-two".