74942665 has 8 divisors (see below), whose sum is σ = 102778560. Its totient is φ = 51389232.

The previous prime is 74942633. The next prime is 74942683. The reversal of 74942665 is 56624947.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74942665 - 2⁵ = 74942633 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070575 + ... + 1070644.

It is an arithmetic number, because the mean of its divisors is an integer number (12847320).

Almost surely, 2^74942665 is an apocalyptic number.

It is an amenable number.

74942665 is a deficient number, since it is larger than the sum of its proper divisors (27835895).

74942665 is a wasteful number, since it uses less digits than its factorization.

74942665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141231.

The product of its digits is 362880, while the sum is 43.

The square root of 74942665 is about 8656.9431671924. The cubic root of 74942665 is about 421.6088425623.

The spelling of 74942665 in words is "seventy-four million, nine hundred forty-two thousand, six hundred sixty-five".