72539846 has 16 divisors (see below), whose sum is σ = 113054400. Its totient is φ = 34866048.

The previous prime is 72539837. The next prime is 72539897. The reversal of 72539846 is 64893527.

It is a junction number, because it is equal to n+sod(n) for n = 72539797 and 72539806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11246 + ... + 16478.

It is an arithmetic number, because the mean of its divisors is an integer number (7065900).

Almost surely, 2^72539846 is an apocalyptic number.

72539846 is a deficient number, since it is larger than the sum of its proper divisors (40514554).

72539846 is a wasteful number, since it uses less digits than its factorization.

72539846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5503.

The product of its digits is 362880, while the sum is 44.

The square root of 72539846 is about 8517.0326992445. The cubic root of 72539846 is about 417.0539220661.

The spelling of 72539846 in words is "seventy-two million, five hundred thirty-nine thousand, eight hundred forty-six".