74903444 has 48 divisors (see below), whose sum is σ = 164572800. Its totient is φ = 28978560.

The previous prime is 74903443. The next prime is 74903447. The reversal of 74903444 is 44430947.

It is a happy number.

It is a super-2 number, since 2×74903444² = 11221051846122272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74903443) 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, 47582 + ... + 49130.

It is an arithmetic number, because the mean of its divisors is an integer number (3428600).

Almost surely, 2^74903444 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 74903444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82286400).

74903444 is an abundant number, since it is smaller than the sum of its proper divisors (89669356).

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

74903444 is a wasteful number, since it uses less digits than its factorization.

74903444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728 (or 1726 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 74903444 is about 8654.6775792054. The cubic root of 74903444 is about 421.5352805225.

The spelling of 74903444 in words is "seventy-four million, nine hundred three thousand, four hundred forty-four".