72967412 has 12 divisors (see below), whose sum is σ = 145934880. Its totient is φ = 31271736.

The previous prime is 72967399. The next prime is 72967463. The reversal of 72967412 is 21476927.

72967412 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1302962 + ... + 1303017.

It is an arithmetic number, because the mean of its divisors is an integer number (12161240).

Almost surely, 2^72967412 is an apocalyptic number.

It is an amenable number.

72967412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72967412 is a wasteful number, since it uses less digits than its factorization.

72967412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605990 (or 2605988 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 72967412 is about 8542.0964639835. The cubic root of 72967412 is about 417.8717202878.

The spelling of 72967412 in words is "seventy-two million, nine hundred sixty-seven thousand, four hundred twelve".