72826732 has 12 divisors (see below), whose sum is σ = 139032936. Its totient is φ = 33103040.

The previous prime is 72826729. The next prime is 72826739. The reversal of 72826732 is 23762827.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 72826691 and 72826700.

It is not an unprimeable number, because it can be changed into a prime (72826739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827533 + ... + 827620.

It is an arithmetic number, because the mean of its divisors is an integer number (11586078).

Almost surely, 2^72826732 is an apocalyptic number.

It is an amenable number.

72826732 is a deficient number, since it is larger than the sum of its proper divisors (66206204).

72826732 is a wasteful number, since it uses less digits than its factorization.

72826732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655168 (or 1655166 counting only the distinct ones).

The product of its digits is 56448, while the sum is 37.

The square root of 72826732 is about 8533.8579786636. The cubic root of 72826732 is about 417.6029975245.

The spelling of 72826732 in words is "seventy-two million, eight hundred twenty-six thousand, seven hundred thirty-two".