71895412 has 12 divisors (see below), whose sum is σ = 126358596. Its totient is φ = 35792960.

The previous prime is 71895407. The next prime is 71895457. The reversal of 71895412 is 21459817.

It can be written as a sum of positive squares in 2 ways, for example, as 20830096 + 51065316 = 4564^2 + 7146^2 .

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, 37639 + ... + 39502.

It is an arithmetic number, because the mean of its divisors is an integer number (10529883).

Almost surely, 2^71895412 is an apocalyptic number.

It is an amenable number.

71895412 is a deficient number, since it is larger than the sum of its proper divisors (54463184).

71895412 is a wasteful number, since it uses less digits than its factorization.

71895412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77378 (or 77376 counting only the distinct ones).

The product of its digits is 20160, while the sum is 37.

The square root of 71895412 is about 8479.1162275322. The cubic root of 71895412 is about 415.8152301369.

The spelling of 71895412 in words is "seventy-one million, eight hundred ninety-five thousand, four hundred twelve".