74247900672 has 160 divisors (see below), whose sum is σ = 216134987904. Its totient is φ = 22462668800.

The previous prime is 74247900667. The next prime is 74247900679. The reversal of 74247900672 is 27600974247.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74247900679) 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, 11435347 + ... + 11441837.

Almost surely, 2^74247900672 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 74247900672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108067493952).

74247900672 is an abundant number, since it is smaller than the sum of its proper divisors (141887087232).

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

74247900672 is a wasteful number, since it uses less digits than its factorization.

74247900672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7200 (or 7184 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 48.

The spelling of 74247900672 in words is "seventy-four billion, two hundred forty-seven million, nine hundred thousand, six hundred seventy-two".