74001402 has 24 divisors (see below), whose sum is σ = 165509760. Its totient is φ = 23871240.

The previous prime is 74001401. The next prime is 74001413. The reversal of 74001402 is 20410047.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (74001401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65752 + ... + 66867.

It is an arithmetic number, because the mean of its divisors is an integer number (6896240).

Almost surely, 2^74001402 is an apocalyptic number.

74001402 is an abundant number, since it is smaller than the sum of its proper divisors (91508358).

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

74001402 is a wasteful number, since it uses less digits than its factorization.

74001402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132658 (or 132655 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 74001402 is about 8602.4067562514. The cubic root of 74001402 is about 419.8362967459.

Adding to 74001402 its reverse (20410047), we get a palindrome (94411449).

The spelling of 74001402 in words is "seventy-four million, one thousand, four hundred two".