71452956 has 12 divisors (see below), whose sum is σ = 166723592. Its totient is φ = 23817648.

The previous prime is 71452949. The next prime is 71452963. The reversal of 71452956 is 65925417.

It is an interprime number because it is at equal distance from previous prime (71452949) and next prime (71452963).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×71452956² = 10211049842275872, which contains 22 as substring.

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, 2977195 + ... + 2977218.

Almost surely, 2^71452956 is an apocalyptic number.

It is an amenable number.

71452956 is an abundant number, since it is smaller than the sum of its proper divisors (95270636).

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

71452956 is a wasteful number, since it uses less digits than its factorization.

71452956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5954420 (or 5954418 counting only the distinct ones).

The product of its digits is 75600, while the sum is 39.

The square root of 71452956 is about 8452.9850348856. The cubic root of 71452956 is about 414.9604762282.

It can be divided in two parts, 7145 and 2956, that added together give a palindrome (10101).

The spelling of 71452956 in words is "seventy-one million, four hundred fifty-two thousand, nine hundred fifty-six".