71275952 has 20 divisors (see below), whose sum is σ = 150651816. Its totient is φ = 32398080.

The previous prime is 71275943. The next prime is 71275961. The reversal of 71275952 is 25957217.

It is an interprime number because it is at equal distance from previous prime (71275943) and next prime (71275961).

It is a super-2 number, since 2×71275952² = 10160522667012608, which contains 22 as substring.

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, 202313 + ... + 202664.

Almost surely, 2^71275952 is an apocalyptic number.

It is an amenable number.

71275952 is an abundant number, since it is smaller than the sum of its proper divisors (79375864).

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

71275952 is a wasteful number, since it uses less digits than its factorization.

71275952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404996 (or 404990 counting only the distinct ones).

The product of its digits is 44100, while the sum is 38.

The square root of 71275952 is about 8442.5086319174. The cubic root of 71275952 is about 414.6175447763.

It can be divided in two parts, 71275 and 952, that added together give a palindrome (72227).

The spelling of 71275952 in words is "seventy-one million, two hundred seventy-five thousand, nine hundred fifty-two".