74636562 has 192 divisors, whose sum is σ = 217857024. Its totient is φ = 16450560.

The previous prime is 74636543. The next prime is 74636567. The reversal of 74636562 is 26563647.

It is a Harshad number since it is a multiple of its sum of digits (39).

Its product of digits (181440) is a multiple of the sum of its prime divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 74636562.

It is not an unprimeable number, because it can be changed into a prime (74636567) 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 95 ways as a sum of consecutive naturals, for example, 1735713 + ... + 1735755.

It is an arithmetic number, because the mean of its divisors is an integer number (1134672).

Almost surely, 2^74636562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74636562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108928512).

74636562 is an abundant number, since it is smaller than the sum of its proper divisors (143220462).

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

74636562 is a wasteful number, since it uses less digits than its factorization.

74636562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 96 counting only the distinct ones).

The product of its digits is 181440, while the sum is 39.

The square root of 74636562 is about 8639.2454531631. The cubic root of 74636562 is about 421.0340394088.

It can be divided in two parts, 74 and 636562, that added together give a palindrome (636636).

The spelling of 74636562 in words is "seventy-four million, six hundred thirty-six thousand, five hundred sixty-two".