74312402 has 8 divisors (see below), whose sum is σ = 116315136. Its totient is φ = 35540692.

The previous prime is 74312383. The next prime is 74312429. The reversal of 74312402 is 20421347.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 807698 + ... + 807789.

It is an arithmetic number, because the mean of its divisors is an integer number (14539392).

Almost surely, 2^74312402 is an apocalyptic number.

74312402 is a deficient number, since it is larger than the sum of its proper divisors (42002734).

74312402 is a wasteful number, since it uses less digits than its factorization.

74312402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615512.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 74312402 is about 8620.4641406365. The cubic root of 74312402 is about 420.4236126604.

Adding to 74312402 its reverse (20421347), we get a palindrome (94733749).

The spelling of 74312402 in words is "seventy-four million, three hundred twelve thousand, four hundred two".