73004648 has 8 divisors (see below), whose sum is σ = 136883730. Its totient is φ = 36502320.

The previous prime is 73004639. The next prime is 73004651. The reversal of 73004648 is 84640037.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 52736644 + 20268004 = 7262^2 + 4502^2 .

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, 4562783 + ... + 4562798.

Almost surely, 2^73004648 is an apocalyptic number.

It is an amenable number.

73004648 is a deficient number, since it is larger than the sum of its proper divisors (63879082).

73004648 is a wasteful number, since it uses less digits than its factorization.

73004648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9125587 (or 9125583 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 73004648 is about 8544.2757446141. The cubic root of 73004648 is about 417.9427895725.

The spelling of 73004648 in words is "seventy-three million, four thousand, six hundred forty-eight".