74206944 has 72 divisors (see below), whose sum is σ = 241179120. Its totient is φ = 21201408.

The previous prime is 74206939. The next prime is 74206973. The reversal of 74206944 is 44960247.

It is a tau number, because it is divible by the number of its divisors (72).

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 = 74206899 and 74206908.

It is a congruent number.

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, 16389 + ... + 20420.

It is an arithmetic number, because the mean of its divisors is an integer number (3349710).

Almost surely, 2^74206944 is an apocalyptic number.

It is an amenable number.

74206944 is an abundant number, since it is smaller than the sum of its proper divisors (166972176).

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

74206944 is a wasteful number, since it uses less digits than its factorization.

74206944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36832 (or 36821 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 74206944 is about 8614.3452449969. The cubic root of 74206944 is about 420.2246417312.

The spelling of 74206944 in words is "seventy-four million, two hundred six thousand, nine hundred forty-four".