71533032 has 16 divisors (see below), whose sum is σ = 178832640. Its totient is φ = 23844336.

The previous prime is 71533001. The next prime is 71533057. The reversal of 71533032 is 23033517.

It is a super-2 number, since 2×71533032² = 10233949334226048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 2980543 = 71533032 / (7 + 1 + 5 + 3 + 3 + 0 + 3 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 71532993 and 71533011.

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, 1490248 + ... + 1490295.

It is an arithmetic number, because the mean of its divisors is an integer number (11177040).

Almost surely, 2^71533032 is an apocalyptic number.

It is an amenable number.

71533032 is an abundant number, since it is smaller than the sum of its proper divisors (107299608).

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

71533032 is a wasteful number, since it uses less digits than its factorization.

71533032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2980552 (or 2980548 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 24.

The square root of 71533032 is about 8457.7202602120. The cubic root of 71533032 is about 415.1154311891.

Adding to 71533032 its reverse (23033517), we get a palindrome (94566549).

The spelling of 71533032 in words is "seventy-one million, five hundred thirty-three thousand, thirty-two".