74089902 has 8 divisors (see below), whose sum is σ = 148179816. Its totient is φ = 24696632.

The previous prime is 74089901. The next prime is 74089933. The reversal of 74089902 is 20998047.

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

74089902 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74089901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6174153 + ... + 6174164.

It is an arithmetic number, because the mean of its divisors is an integer number (18522477).

Almost surely, 2^74089902 is an apocalyptic number.

74089902 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.

74089902 is a wasteful number, since it uses less digits than its factorization.

74089902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12348322.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 74089902 is about 8607.5491285267. The cubic root of 74089902 is about 420.0035940736.

The spelling of 74089902 in words is "seventy-four million, eighty-nine thousand, nine hundred two".