66624748 has 6 divisors (see below), whose sum is σ = 116593316. Its totient is φ = 33312372.

The previous prime is 66624739. The next prime is 66624787. The reversal of 66624748 is 84742666.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8328090 + ... + 8328097.

Almost surely, 2^66624748 is an apocalyptic number.

It is an amenable number.

66624748 is a deficient number, since it is larger than the sum of its proper divisors (49968568).

66624748 is a wasteful number, since it uses less digits than its factorization.

66624748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16656191 (or 16656189 counting only the distinct ones).

The product of its digits is 387072, while the sum is 43.

The square root of 66624748 is about 8162.3984220326. The cubic root of 66624748 is about 405.3951292868.

The spelling of 66624748 in words is "sixty-six million, six hundred twenty-four thousand, seven hundred forty-eight".