74579911 has 12 divisors (see below), whose sum is σ = 88054968. Its totient is φ = 62968752.

The previous prime is 74579903. The next prime is 74579917. The reversal of 74579911 is 11997547.

It is not a de Polignac number, because 74579911 - 2³ = 74579903 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 (74579917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8076 + ... + 14641.

It is an arithmetic number, because the mean of its divisors is an integer number (7337914).

Almost surely, 2^74579911 is an apocalyptic number.

74579911 is a deficient number, since it is larger than the sum of its proper divisors (13475057).

74579911 is a wasteful number, since it uses less digits than its factorization.

74579911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22798 (or 22791 counting only the distinct ones).

The product of its digits is 79380, while the sum is 43.

The square root of 74579911 is about 8635.9661300864. The cubic root of 74579911 is about 420.9274873561.

It can be divided in two parts, 745 and 79911, that added together give a square (80656 = 284²).

The spelling of 74579911 in words is "seventy-four million, five hundred seventy-nine thousand, nine hundred eleven".