74981376 has 140 divisors (see below), whose sum is σ = 225987102. Its totient is φ = 24772608.

The previous prime is 74981371. The next prime is 74981377. The reversal of 74981376 is 67318947.

It can be written as a sum of positive squares in only one way, i.e., 74649600 + 331776 = 8640^2 + 576^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74981371) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 663496 + ... + 663608.

Almost surely, 2^74981376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74981376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112993551).

74981376 is an abundant number, since it is smaller than the sum of its proper divisors (151005726).

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

74981376 is an equidigital number, since it uses as much as digits as its factorization.

74981376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 118 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 74981376 is about 8659.1787139428. The cubic root of 74981376 is about 421.6814228945.

It can be divided in two parts, 74981 and 376, that added together give a palindrome (75357).

The spelling of 74981376 in words is "seventy-four million, nine hundred eighty-one thousand, three hundred seventy-six".