72944467 has 12 divisors (see below), whose sum is σ = 78447096. Its totient is φ = 67804160.

The previous prime is 72944449. The next prime is 72944527. The reversal of 72944467 is 76444927.

It is a de Polignac number, because none of the positive numbers 2^k-72944467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72944437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22467 + ... + 25507.

It is an arithmetic number, because the mean of its divisors is an integer number (6537258).

Almost surely, 2^72944467 is an apocalyptic number.

72944467 is a deficient number, since it is larger than the sum of its proper divisors (5502629).

72944467 is a wasteful number, since it uses less digits than its factorization.

72944467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158 (or 3141 counting only the distinct ones).

The product of its digits is 338688, while the sum is 43.

The square root of 72944467 is about 8540.7533040125. The cubic root of 72944467 is about 417.8279150166.

The spelling of 72944467 in words is "seventy-two million, nine hundred forty-four thousand, four hundred sixty-seven".