74668601 has 6 divisors (see below), whose sum is σ = 86859450. Its totient is φ = 64001616.

The previous prime is 74668589. The next prime is 74668609. The reversal of 74668601 is 10686647.

It can be written as a sum of positive squares in only one way, i.e., 71149225 + 3519376 = 8435^2 + 1876^2 .

It is not a de Polignac number, because 74668601 - 2¹⁸ = 74406457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74668609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 761876 + ... + 761973.

It is an arithmetic number, because the mean of its divisors is an integer number (14476575).

Almost surely, 2^74668601 is an apocalyptic number.

It is an amenable number.

74668601 is a deficient number, since it is larger than the sum of its proper divisors (12190849).

74668601 is a wasteful number, since it uses less digits than its factorization.

74668601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523863 (or 1523856 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 74668601 is about 8641.0995249447. The cubic root of 74668601 is about 421.0942761055.

The spelling of 74668601 in words is "seventy-four million, six hundred sixty-eight thousand, six hundred one".