73489666 has 16 divisors (see below), whose sum is σ = 113132448. Its totient is φ = 35784000.

The previous prime is 73489651. The next prime is 73489681. The reversal of 73489666 is 66698437.

It is an interprime number because it is at equal distance from previous prime (73489651) and next prime (73489681).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33421 + ... + 35551.

It is an arithmetic number, because the mean of its divisors is an integer number (7070778).

Almost surely, 2^73489666 is an apocalyptic number.

73489666 is a deficient number, since it is larger than the sum of its proper divisors (39642782).

73489666 is a wasteful number, since it uses less digits than its factorization.

73489666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577.

The product of its digits is 1306368, while the sum is 49.

The square root of 73489666 is about 8572.6113874362. The cubic root of 73489666 is about 418.8663038943.

The spelling of 73489666 in words is "seventy-three million, four hundred eighty-nine thousand, six hundred sixty-six".