72751832 has 16 divisors (see below), whose sum is σ = 137662800. Its totient is φ = 36041760.

The previous prime is 72751799. The next prime is 72751837. The reversal of 72751832 is 23815727.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 72751792 and 72751801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72751837) 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, 40844 + ... + 42587.

It is an arithmetic number, because the mean of its divisors is an integer number (8603925).

Almost surely, 2^72751832 is an apocalyptic number.

It is an amenable number.

72751832 is a deficient number, since it is larger than the sum of its proper divisors (64910968).

72751832 is a wasteful number, since it uses less digits than its factorization.

72751832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83546 (or 83542 counting only the distinct ones).

The product of its digits is 23520, while the sum is 35.

The square root of 72751832 is about 8529.4684476818. The cubic root of 72751832 is about 417.4597845735.

The spelling of 72751832 in words is "seventy-two million, seven hundred fifty-one thousand, eight hundred thirty-two".