73648816 has 10 divisors (see below), whose sum is σ = 142694612. Its totient is φ = 36824400.

The previous prime is 73648801. The next prime is 73648823. The reversal of 73648816 is 61884637.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2301510 + ... + 2301541.

Almost surely, 2^73648816 is an apocalyptic number.

It is an amenable number.

73648816 is a deficient number, since it is larger than the sum of its proper divisors (69045796).

73648816 is a wasteful number, since it uses less digits than its factorization.

73648816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4603059 (or 4603053 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 73648816 is about 8581.8888363810. Note that the first 4 decimals coincide. The cubic root of 73648816 is about 419.1684529899.

The spelling of 73648816 in words is "seventy-three million, six hundred forty-eight thousand, eight hundred sixteen".