74001674544 has 120 divisors (see below), whose sum is σ = 234087071040. Its totient is φ = 20030516352.

The previous prime is 74001674533. The next prime is 74001674561. The reversal of 74001674544 is 44547610047.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 74001674496 and 74001674505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 783294 + ... + 872669.

It is an arithmetic number, because the mean of its divisors is an integer number (1950725592).

Almost surely, 2^74001674544 is an apocalyptic number.

It is an amenable number.

74001674544 is an abundant number, since it is smaller than the sum of its proper divisors (160085396496).

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

74001674544 is a wasteful number, since it uses less digits than its factorization.

74001674544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656007 (or 1655994 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 42.

The spelling of 74001674544 in words is "seventy-four billion, one million, six hundred seventy-four thousand, five hundred forty-four".