74481402 has 16 divisors (see below), whose sum is σ = 149736960. Its totient is φ = 24698112.

The previous prime is 74481397. The next prime is 74481409. The reversal of 74481402 is 20418447.

It is a self number, because there is not a number n which added to its sum of digits gives 74481402.

It is not an unprimeable number, because it can be changed into a prime (74481409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31002 + ... + 33317.

It is an arithmetic number, because the mean of its divisors is an integer number (9358560).

Almost surely, 2^74481402 is an apocalyptic number.

74481402 is an abundant number, since it is smaller than the sum of its proper divisors (75255558).

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

74481402 is a wasteful number, since it uses less digits than its factorization.

74481402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64517.

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 74481402 is about 8630.2608303573. The cubic root of 74481402 is about 420.7420781078.

Adding to 74481402 its reverse (20418447), we get a palindrome (94899849).

The spelling of 74481402 in words is "seventy-four million, four hundred eighty-one thousand, four hundred two".