71565032 has 32 divisors (see below), whose sum is σ = 167296320. Its totient is φ = 27882240.

The previous prime is 71565023. The next prime is 71565041. The reversal of 71565032 is 23056517.

It is an interprime number because it is at equal distance from previous prime (71565023) and next prime (71565041).

It is a super-2 number, since 2×71565032² = 10243107610322048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71564986 and 71565004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57473 + ... + 58704.

It is an arithmetic number, because the mean of its divisors is an integer number (5228010).

Almost surely, 2^71565032 is an apocalyptic number.

It is an amenable number.

71565032 is an abundant number, since it is smaller than the sum of its proper divisors (95731288).

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

71565032 is a wasteful number, since it uses less digits than its factorization.

71565032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116201 (or 116197 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 71565032 is about 8459.6118114249. The cubic root of 71565032 is about 415.1773220066.

The spelling of 71565032 in words is "seventy-one million, five hundred sixty-five thousand, thirty-two".