72467738 has 16 divisors (see below), whose sum is σ = 124459584. Its totient is φ = 31000320.

The previous prime is 72467711. The next prime is 72467761. The reversal of 72467738 is 83776427.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3593 + ... + 12563.

It is an arithmetic number, because the mean of its divisors is an integer number (7778724).

Almost surely, 2^72467738 is an apocalyptic number.

72467738 is a deficient number, since it is larger than the sum of its proper divisors (51991846).

72467738 is a wasteful number, since it uses less digits than its factorization.

72467738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9557.

The product of its digits is 395136, while the sum is 44.

The square root of 72467738 is about 8512.7984822854. The cubic root of 72467738 is about 416.9156858828.

The spelling of 72467738 in words is "seventy-two million, four hundred sixty-seven thousand, seven hundred thirty-eight".