71313372 has 60 divisors (see below), whose sum is σ = 200779656. Its totient is φ = 21941280.

The previous prime is 71313371. The next prime is 71313383. The reversal of 71313372 is 27331317.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71313371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4254 + ... + 12677.

Almost surely, 2^71313372 is an apocalyptic number.

It is an amenable number.

71313372 is an abundant number, since it is smaller than the sum of its proper divisors (129466284).

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

71313372 is a wasteful number, since it uses less digits than its factorization.

71313372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16960 (or 16949 counting only the distinct ones).

The product of its digits is 2646, while the sum is 27.

The square root of 71313372 is about 8444.7245070517. The cubic root of 71313372 is about 414.6900903954.

Adding to 71313372 its reverse (27331317), we get a palindrome (98644689).

The spelling of 71313372 in words is "seventy-one million, three hundred thirteen thousand, three hundred seventy-two".