74670402 has 8 divisors (see below), whose sum is σ = 149340816. Its totient is φ = 24890132.

The previous prime is 74670373. The next prime is 74670457. The reversal of 74670402 is 20407647.

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

74670402 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 74670402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6222528 + ... + 6222539.

It is an arithmetic number, because the mean of its divisors is an integer number (18667602).

Almost surely, 2^74670402 is an apocalyptic number.

74670402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74670402 is a wasteful number, since it uses less digits than its factorization.

74670402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12445072.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 74670402 is about 8641.2037355915. The cubic root of 74670402 is about 421.0976616637.

The spelling of 74670402 in words is "seventy-four million, six hundred seventy thousand, four hundred two".