74402413 has 4 divisors (see below), whose sum is σ = 76217148. Its totient is φ = 72587680.

The previous prime is 74402411. The next prime is 74402459. The reversal of 74402413 is 31420447.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1077444 + 73324969 = 1038^2 + 8563^2 .

It is a cyclic number.

It is not a de Polignac number, because 74402413 - 2¹ = 74402411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74402411) 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, 907306 + ... + 907387.

It is an arithmetic number, because the mean of its divisors is an integer number (19054287).

Almost surely, 2^74402413 is an apocalyptic number.

It is an amenable number.

74402413 is a deficient number, since it is larger than the sum of its proper divisors (1814735).

74402413 is a wasteful number, since it uses less digits than its factorization.

74402413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814734.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 74402413 is about 8625.6833352494. The cubic root of 74402413 is about 420.5932903994.

The spelling of 74402413 in words is "seventy-four million, four hundred two thousand, four hundred thirteen".