74711538 has 32 divisors (see below), whose sum is σ = 181120320. Its totient is φ = 22639680.

The previous prime is 74711531. The next prime is 74711561. The reversal of 74711538 is 83511747.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (74711531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62295 + ... + 63482.

It is an arithmetic number, because the mean of its divisors is an integer number (5660010).

Almost surely, 2^74711538 is an apocalyptic number.

74711538 is an abundant number, since it is smaller than the sum of its proper divisors (106408782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74711538 is a wasteful number, since it uses less digits than its factorization.

74711538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125799 (or 125793 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 74711538 is about 8643.5836318046. The cubic root of 74711538 is about 421.1749751774.

It can be divided in two parts, 7471 and 1538, that added together give a palindrome (9009).

The spelling of 74711538 in words is "seventy-four million, seven hundred eleven thousand, five hundred thirty-eight".