72673532 has 12 divisors (see below), whose sum is σ = 127384656. Its totient is φ = 36277920.

The previous prime is 72673529. The next prime is 72673553. The reversal of 72673532 is 23537627.

It is a junction number, because it is equal to n+sod(n) for n = 72673492 and 72673501.

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, 11873 + ... + 16920.

It is an arithmetic number, because the mean of its divisors is an integer number (10615388).

Almost surely, 2^72673532 is an apocalyptic number.

It is an amenable number.

72673532 is a deficient number, since it is larger than the sum of its proper divisors (54711124).

72673532 is a wasteful number, since it uses less digits than its factorization.

72673532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29428 (or 29426 counting only the distinct ones).

The product of its digits is 52920, while the sum is 35.

The square root of 72673532 is about 8524.8772425179. The cubic root of 72673532 is about 417.3099655065.

The spelling of 72673532 in words is "seventy-two million, six hundred seventy-three thousand, five hundred thirty-two".