71194012 has 12 divisors (see below), whose sum is σ = 125799856. Its totient is φ = 35251200.

The previous prime is 71194009. The next prime is 71194021. The reversal of 71194012 is 21049117.

It is a super-2 number, since 2×71194012² = 10137174689312288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85989 + ... + 86812.

Almost surely, 2^71194012 is an apocalyptic number.

It is an amenable number.

71194012 is a deficient number, since it is larger than the sum of its proper divisors (54605844).

71194012 is a wasteful number, since it uses less digits than its factorization.

71194012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172908 (or 172906 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 71194012 is about 8437.6544134019. The cubic root of 71194012 is about 414.4586001491.

The spelling of 71194012 in words is "seventy-one million, one hundred ninety-four thousand, twelve".