71293032 has 24 divisors (see below), whose sum is σ = 193085490. Its totient is φ = 23764320.

The previous prime is 71293021. The next prime is 71293037. The reversal of 71293032 is 23039217.

It can be written as a sum of positive squares in only one way, i.e., 42068196 + 29224836 = 6486^2 + 5406^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 71292987 and 71293005.

It is not an unprimeable number, because it can be changed into a prime (71293037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 495019 + ... + 495162.

Almost surely, 2^71293032 is an apocalyptic number.

71293032 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

71293032 is an abundant number, since it is smaller than the sum of its proper divisors (121792458).

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

71293032 is a wasteful number, since it uses less digits than its factorization.

71293032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990193 (or 990186 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 71293032 is about 8443.5201190025. The cubic root of 71293032 is about 414.6506606772.

The spelling of 71293032 in words is "seventy-one million, two hundred ninety-three thousand, thirty-two".