74770023 has 4 divisors (see below), whose sum is σ = 99693368. Its totient is φ = 49846680.

The previous prime is 74770001. The next prime is 74770037. The reversal of 74770023 is 32007747.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 74770023 - 2⁸ = 74769767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74770093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12461668 + ... + 12461673.

It is an arithmetic number, because the mean of its divisors is an integer number (24923342).

Almost surely, 2^74770023 is an apocalyptic number.

74770023 is a deficient number, since it is larger than the sum of its proper divisors (24923345).

74770023 is a wasteful number, since it uses less digits than its factorization.

74770023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24923344.

The product of its (nonzero) digits is 8232, while the sum is 30.

The square root of 74770023 is about 8646.9661153494. The cubic root of 74770023 is about 421.2848466215.

The spelling of 74770023 in words is "seventy-four million, seven hundred seventy thousand, twenty-three".