71351472 has 40 divisors (see below), whose sum is σ = 184804144. Its totient is φ = 23721984.

The previous prime is 71351461. The next prime is 71351507. The reversal of 71351472 is 27415317.

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, 19068 + ... + 22500.

Almost surely, 2^71351472 is an apocalyptic number.

It is an amenable number.

71351472 is an abundant number, since it is smaller than the sum of its proper divisors (113452672).

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

71351472 is a wasteful number, since it uses less digits than its factorization.

71351472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3877 (or 3871 counting only the distinct ones).

The product of its digits is 5880, while the sum is 30.

The square root of 71351472 is about 8446.9800520659. The cubic root of 71351472 is about 414.7639282517.

Adding to 71351472 its reverse (27415317), we get a palindrome (98766789).

The spelling of 71351472 in words is "seventy-one million, three hundred fifty-one thousand, four hundred seventy-two".