74579941 has 4 divisors (see below), whose sum is σ = 74597292. Its totient is φ = 74562592.

The previous prime is 74579933. The next prime is 74579951. The reversal of 74579941 is 14997547.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14997547 = 1291 ⋅11617.

It can be written as a sum of positive squares in 2 ways, for example, as 2414916 + 72165025 = 1554^2 + 8495^2 .

It is a cyclic number.

It is not a de Polignac number, because 74579941 - 2³ = 74579933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74579891 and 74579900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74579951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3105 + ... + 12601.

It is an arithmetic number, because the mean of its divisors is an integer number (18649323).

Almost surely, 2^74579941 is an apocalyptic number.

It is an amenable number.

74579941 is a deficient number, since it is larger than the sum of its proper divisors (17351).

74579941 is an equidigital number, since it uses as much as digits as its factorization.

74579941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17350.

The product of its digits is 317520, while the sum is 46.

The square root of 74579941 is about 8635.9678670083. The cubic root of 74579941 is about 420.9275437958.

The spelling of 74579941 in words is "seventy-four million, five hundred seventy-nine thousand, nine hundred forty-one".