72462944 has 12 divisors (see below), whose sum is σ = 142661484. Its totient is φ = 36231456.

The previous prime is 72462919. The next prime is 72462991. The reversal of 72462944 is 44926427.

It is a junction number, because it is equal to n+sod(n) for n = 72462898 and 72462907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132202 + ... + 1132265.

It is an arithmetic number, because the mean of its divisors is an integer number (11888457).

Almost surely, 2^72462944 is an apocalyptic number.

It is an amenable number.

72462944 is a deficient number, since it is larger than the sum of its proper divisors (70198540).

72462944 is a wasteful number, since it uses less digits than its factorization.

72462944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264477 (or 2264469 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 72462944 is about 8512.5169015985. The cubic root of 72462944 is about 416.9064921922.

The spelling of 72462944 in words is "seventy-two million, four hundred sixty-two thousand, nine hundred forty-four".