72488704 has 18 divisors (see below), whose sum is σ = 144694760. Its totient is φ = 36244224.

The previous prime is 72488701. The next prime is 72488723. The reversal of 72488704 is 40788427.

It is a happy number.

It is a super-2 number, since 2×72488704² = 10509224415199232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72488701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141324 + ... + 141835.

Almost surely, 2^72488704 is an apocalyptic number.

It is an amenable number.

72488704 is a deficient number, since it is larger than the sum of its proper divisors (72206056).

72488704 is an equidigital number, since it uses as much as digits as its factorization.

72488704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283175 (or 283161 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 40.

The square root of 72488704 is about 8514.0298331636. The cubic root of 72488704 is about 416.9558886529.

The spelling of 72488704 in words is "seventy-two million, four hundred eighty-eight thousand, seven hundred four".