71374472 has 16 divisors (see below), whose sum is σ = 144121740. Its totient is φ = 32942016.

The previous prime is 71374463. The next prime is 71374477. The reversal of 71374472 is 27447317.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 70997476 + 376996 = 8426^2 + 614^2 .

It is not an unprimeable number, because it can be changed into a prime (71374477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343043 + ... + 343250.

Almost surely, 2^71374472 is an apocalyptic number.

It is an amenable number.

71374472 is an abundant number, since it is smaller than the sum of its proper divisors (72747268).

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

71374472 is a wasteful number, since it uses less digits than its factorization.

71374472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686312 (or 686308 counting only the distinct ones).

The product of its digits is 32928, while the sum is 35.

The square root of 71374472 is about 8448.3413756784. The cubic root of 71374472 is about 414.8084895633.

The spelling of 71374472 in words is "seventy-one million, three hundred seventy-four thousand, four hundred seventy-two".