72048756 has 36 divisors (see below), whose sum is σ = 182045472. Its totient is φ = 22168224.

The previous prime is 72048749. The next prime is 72048761. The reversal of 72048756 is 65784027.

It is a super-2 number, since 2×72048756² = 10382046482295072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15736 + ... + 19791.

Almost surely, 2^72048756 is an apocalyptic number.

It is an amenable number.

72048756 is an abundant number, since it is smaller than the sum of its proper divisors (109996716).

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

72048756 is a wasteful number, since it uses less digits than its factorization.

72048756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35560 (or 35545 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 72048756 is about 8488.1538628844. The cubic root of 72048756 is about 416.1106476507.

The spelling of 72048756 in words is "seventy-two million, forty-eight thousand, seven hundred fifty-six".