71251952 has 20 divisors (see below), whose sum is σ = 138432360. Its totient is φ = 35527488.

The previous prime is 71251897. The next prime is 71251987. The reversal of 71251952 is 25915217.

It is a happy number.

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, 2 + ... + 11937.

It is an arithmetic number, because the mean of its divisors is an integer number (6921618).

Almost surely, 2^71251952 is an apocalyptic number.

It is an amenable number.

71251952 is a deficient number, since it is larger than the sum of its proper divisors (67180408).

71251952 is a wasteful number, since it uses less digits than its factorization.

71251952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12320 (or 12314 counting only the distinct ones).

The product of its digits is 6300, while the sum is 32.

The square root of 71251952 is about 8441.0871337761. The cubic root of 71251952 is about 414.5710029536.

The spelling of 71251952 in words is "seventy-one million, two hundred fifty-one thousand, nine hundred fifty-two".