74369568 has 96 divisors (see below), whose sum is σ = 240299136. Its totient is φ = 19611648.

The previous prime is 74369551. The next prime is 74369597. The reversal of 74369568 is 86596347.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

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, 4480 + ... + 12992.

It is an arithmetic number, because the mean of its divisors is an integer number (2503116).

Almost surely, 2^74369568 is an apocalyptic number.

74369568 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74369568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120149568).

74369568 is an abundant number, since it is smaller than the sum of its proper divisors (165929568).

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

74369568 is a wasteful number, since it uses less digits than its factorization.

74369568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8546 (or 8538 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The square root of 74369568 is about 8623.7792179531. The cubic root of 74369568 is about 420.5313908841.

The spelling of 74369568 in words is "seventy-four million, three hundred sixty-nine thousand, five hundred sixty-eight".