74072844 has 36 divisors (see below), whose sum is σ = 193698960. Its totient is φ = 23839200.

The previous prime is 74072839. The next prime is 74072851. The reversal of 74072844 is 44827047.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 74072799 and 74072808.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34432 + ... + 36519.

Almost surely, 2^74072844 is an apocalyptic number.

It is an amenable number.

74072844 is an abundant number, since it is smaller than the sum of its proper divisors (119626116).

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

74072844 is a wasteful number, since it uses less digits than its factorization.

74072844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70990 (or 70985 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 74072844 is about 8606.5581970960. The cubic root of 74072844 is about 419.9713585911.

The spelling of 74072844 in words is "seventy-four million, seventy-two thousand, eight hundred forty-four".