71966994 has 16 divisors (see below), whose sum is σ = 157019040. Its totient is φ = 21808160.

The previous prime is 71966929. The next prime is 71967017. The reversal of 71966994 is 49966917.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545139 + ... + 545270.

It is an arithmetic number, because the mean of its divisors is an integer number (9813690).

Almost surely, 2^71966994 is an apocalyptic number.

71966994 is an abundant number, since it is smaller than the sum of its proper divisors (85052046).

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

71966994 is a wasteful number, since it uses less digits than its factorization.

71966994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090425.

The product of its digits is 734832, while the sum is 51.

The square root of 71966994 is about 8483.3362540925. The cubic root of 71966994 is about 415.9531852213.

The spelling of 71966994 in words is "seventy-one million, nine hundred sixty-six thousand, nine hundred ninety-four".