74140402 has 16 divisors (see below), whose sum is σ = 127247040. Its totient is φ = 31737168.

The previous prime is 74140399. The next prime is 74140421. The reversal of 74140402 is 20404147.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11668 + ... + 16864.

It is an arithmetic number, because the mean of its divisors is an integer number (7952940).

Almost surely, 2^74140402 is an apocalyptic number.

74140402 is a deficient number, since it is larger than the sum of its proper divisors (53106638).

74140402 is a wasteful number, since it uses less digits than its factorization.

74140402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6225.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 74140402 is about 8610.4821003240. The cubic root of 74140402 is about 420.0989978275.

Adding to 74140402 its reverse (20404147), we get a palindrome (94544549).

The spelling of 74140402 in words is "seventy-four million, one hundred forty thousand, four hundred two".