71253604 has 12 divisors (see below), whose sum is σ = 125676544. Its totient is φ = 35346024.

The previous prime is 71253583. The next prime is 71253607. The reversal of 71253604 is 40635217.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (71253607) 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, 69624 + ... + 70639.

Almost surely, 2^71253604 is an apocalyptic number.

It is an amenable number.

71253604 is a deficient number, since it is larger than the sum of its proper divisors (54422940).

71253604 is a wasteful number, since it uses less digits than its factorization.

71253604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140394 (or 140392 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 71253604 is about 8441.1849879031. The cubic root of 71253604 is about 414.5742069173.

The spelling of 71253604 in words is "seventy-one million, two hundred fifty-three thousand, six hundred four".