72465734 has 32 divisors (see below), whose sum is σ = 127215360. Its totient is φ = 30607200.

The previous prime is 72465733. The next prime is 72465761. The reversal of 72465734 is 43756427.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72465733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20519 + ... + 23789.

It is an arithmetic number, because the mean of its divisors is an integer number (3975480).

Almost surely, 2^72465734 is an apocalyptic number.

72465734 is a deficient number, since it is larger than the sum of its proper divisors (54749626).

72465734 is a wasteful number, since it uses less digits than its factorization.

72465734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3356.

The product of its digits is 141120, while the sum is 38.

The square root of 72465734 is about 8512.6807763477. The cubic root of 72465734 is about 416.9118427623.

The spelling of 72465734 in words is "seventy-two million, four hundred sixty-five thousand, seven hundred thirty-four".