74030402 has 8 divisors (see below), whose sum is σ = 112064700. Its totient is φ = 36675504.

The previous prime is 74030389. The next prime is 74030413. The reversal of 74030402 is 20403047.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 69872881 + 4157521 = 8359^2 + 2039^2 .

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, 169577 + ... + 170012.

Almost surely, 2^74030402 is an apocalyptic number.

74030402 is a deficient number, since it is larger than the sum of its proper divisors (38034298).

74030402 is a wasteful number, since it uses less digits than its factorization.

74030402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339700.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 74030402 is about 8604.0921659406. The cubic root of 74030402 is about 419.8911320247.

Adding to 74030402 its reverse (20403047), we get a palindrome (94433449).

The spelling of 74030402 in words is "seventy-four million, thirty thousand, four hundred two".