74944385 has 8 divisors (see below), whose sum is σ = 91630440. Its totient is φ = 58824064.

The previous prime is 74944369. The next prime is 74944403. The reversal of 74944385 is 58344947.

It can be written as a sum of positive squares in 4 ways, for example, as 8814961 + 66129424 = 2969^2 + 8132^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74944385 - 2⁴ = 74944369 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141140 + ... + 141669.

It is an arithmetic number, because the mean of its divisors is an integer number (11453805).

Almost surely, 2^74944385 is an apocalyptic number.

It is an amenable number.

74944385 is a deficient number, since it is larger than the sum of its proper divisors (16686055).

74944385 is a wasteful number, since it uses less digits than its factorization.

74944385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282867.

The product of its digits is 483840, while the sum is 44.

The square root of 74944385 is about 8657.0425088479. The cubic root of 74944385 is about 421.6120679688.

The spelling of 74944385 in words is "seventy-four million, nine hundred forty-four thousand, three hundred eighty-five".