74423402 has 8 divisors (see below), whose sum is σ = 112889700. Its totient is φ = 36793504.

The previous prime is 74423387. The next prime is 74423429. The reversal of 74423402 is 20432447.

It can be written as a sum of positive squares in 2 ways, for example, as 74321641 + 101761 = 8621^2 + 319^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208877 + ... + 209232.

Almost surely, 2^74423402 is an apocalyptic number.

74423402 is a deficient number, since it is larger than the sum of its proper divisors (38466298).

74423402 is a wasteful number, since it uses less digits than its factorization.

74423402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418200.

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 74423402 is about 8626.8999066872. The cubic root of 74423402 is about 420.6328366194.

Adding to 74423402 its reverse (20432447), we get a palindrome (94855849).

The spelling of 74423402 in words is "seventy-four million, four hundred twenty-three thousand, four hundred two".