72481748 has 12 divisors (see below), whose sum is σ = 127327200. Its totient is φ = 36102552.

The previous prime is 72481711. The next prime is 72481757. The reversal of 72481748 is 84718427.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33398 + ... + 35501.

It is an arithmetic number, because the mean of its divisors is an integer number (10610600).

Almost surely, 2^72481748 is an apocalyptic number.

It is an amenable number.

72481748 is a deficient number, since it is larger than the sum of its proper divisors (54845452).

72481748 is a wasteful number, since it uses less digits than its factorization.

72481748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69166 (or 69164 counting only the distinct ones).

The product of its digits is 100352, while the sum is 41.

The square root of 72481748 is about 8513.6213211535. The cubic root of 72481748 is about 416.9425512280.

The spelling of 72481748 in words is "seventy-two million, four hundred eighty-one thousand, seven hundred forty-eight".