71245476 has 36 divisors (see below), whose sum is σ = 181522432. Its totient is φ = 23559984.

The previous prime is 71245469. The next prime is 71245477. The reversal of 71245476 is 67454217.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 71245476.

It is not an unprimeable number, because it can be changed into a prime (71245477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3220 + ... + 12363.

Almost surely, 2^71245476 is an apocalyptic number.

It is an amenable number.

71245476 is an abundant number, since it is smaller than the sum of its proper divisors (110276956).

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

71245476 is a wasteful number, since it uses less digits than its factorization.

71245476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15720 (or 15715 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 71245476 is about 8440.7035251808. The cubic root of 71245476 is about 414.5584426280.

The spelling of 71245476 in words is "seventy-one million, two hundred forty-five thousand, four hundred seventy-six".