73236648 has 32 divisors (see below), whose sum is σ = 183324960. Its totient is φ = 24381120.

The previous prime is 73236637. The next prime is 73236671. The reversal of 73236648 is 84663237.

It is a super-2 number, since 2×73236648² = 10727213220551808, which contains 22 as substring.

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, 24786 + ... + 27582.

It is an arithmetic number, because the mean of its divisors is an integer number (5728905).

Almost surely, 2^73236648 is an apocalyptic number.

It is an amenable number.

73236648 is an abundant number, since it is smaller than the sum of its proper divisors (110088312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73236648 is a wasteful number, since it uses less digits than its factorization.

73236648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3897 (or 3893 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 73236648 is about 8557.8413165938. The cubic root of 73236648 is about 418.3850454143.

The spelling of 73236648 in words is "seventy-three million, two hundred thirty-six thousand, six hundred forty-eight".