73734664 has 8 divisors (see below), whose sum is σ = 138252510. Its totient is φ = 36867328.

The previous prime is 73734653. The next prime is 73734691. The reversal of 73734664 is 46643737.

It can be written as a sum of positive squares in only one way, i.e., 64480900 + 9253764 = 8030^2 + 3042^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4608409 + ... + 4608424.

Almost surely, 2^73734664 is an apocalyptic number.

It is an amenable number.

73734664 is a deficient number, since it is larger than the sum of its proper divisors (64517846).

73734664 is a wasteful number, since it uses less digits than its factorization.

73734664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9216839 (or 9216835 counting only the distinct ones).

The product of its digits is 254016, while the sum is 40.

The square root of 73734664 is about 8586.8890757946. The cubic root of 73734664 is about 419.3312562436.

The spelling of 73734664 in words is "seventy-three million, seven hundred thirty-four thousand, six hundred sixty-four".