72438848 has 14 divisors (see below), whose sum is σ = 143745966. Its totient is φ = 36219392.

The previous prime is 72438809. The next prime is 72438857. The reversal of 72438848 is 84883427.

It can be written as a sum of positive squares in only one way, i.e., 54051904 + 18386944 = 7352^2 + 4288^2 .

It is a junction number, because it is equal to n+sod(n) for n = 72438799 and 72438808.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565865 + ... + 565992.

It is an arithmetic number, because the mean of its divisors is an integer number (10267569).

Almost surely, 2^72438848 is an apocalyptic number.

It is an amenable number.

72438848 is a deficient number, since it is larger than the sum of its proper divisors (71307118).

72438848 is a wasteful number, since it uses less digits than its factorization.

72438848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131869 (or 1131859 counting only the distinct ones).

The product of its digits is 344064, while the sum is 44.

The square root of 72438848 is about 8511.1014563334. The cubic root of 72438848 is about 416.8602759609.

The spelling of 72438848 in words is "seventy-two million, four hundred thirty-eight thousand, eight hundred forty-eight".