74494944 has 96 divisors (see below), whose sum is σ = 219098880. Its totient is φ = 24624000.

The previous prime is 74494943. The next prime is 74494961. The reversal of 74494944 is 44949447.

It is a happy number.

74494944 is a `hidden beast` number, since 74 + 494 + 94 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×74494944³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74494944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74494943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130179 + ... + 130749.

It is an arithmetic number, because the mean of its divisors is an integer number (2282280).

Almost surely, 2^74494944 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 74494944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109549440).

74494944 is an abundant number, since it is smaller than the sum of its proper divisors (144603936).

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

74494944 is a wasteful number, since it uses less digits than its factorization.

74494944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741 (or 727 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 74494944 is about 8631.0453596305. The cubic root of 74494944 is about 420.7675759448.

The spelling of 74494944 in words is "seventy-four million, four hundred ninety-four thousand, nine hundred forty-four".