74023659 has 8 divisors (see below), whose sum is σ = 109664720. Its totient is φ = 49349088.

The previous prime is 74023603. The next prime is 74023667. The reversal of 74023659 is 95632047.

It is not a de Polignac number, because 74023659 - 2⁷ = 74023531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74022659) by changing a digit.

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, 1370782 + ... + 1370835.

It is an arithmetic number, because the mean of its divisors is an integer number (13708090).

Almost surely, 2^74023659 is an apocalyptic number.

74023659 is a deficient number, since it is larger than the sum of its proper divisors (35641061).

74023659 is a wasteful number, since it uses less digits than its factorization.

74023659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741626 (or 2741620 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 74023659 is about 8603.7003085882. The cubic root of 74023659 is about 419.8783831549.

The spelling of 74023659 in words is "seventy-four million, twenty-three thousand, six hundred fifty-nine".