73947968 has 14 divisors (see below), whose sum is σ = 146740626. Its totient is φ = 36973952.

The previous prime is 73947949. The next prime is 73947971. The reversal of 73947968 is 86974937.

It can be written as a sum of positive squares in only one way, i.e., 71098624 + 2849344 = 8432^2 + 1688^2 .

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, 577655 + ... + 577782.

Almost surely, 2^73947968 is an apocalyptic number.

It is an amenable number.

73947968 is a deficient number, since it is larger than the sum of its proper divisors (72792658).

73947968 is a wasteful number, since it uses less digits than its factorization.

73947968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155449 (or 1155439 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 53.

The square root of 73947968 is about 8599.3004366634. The cubic root of 73947968 is about 419.7352223800.

The spelling of 73947968 in words is "seventy-three million, nine hundred forty-seven thousand, nine hundred sixty-eight".