74190885 has 16 divisors (see below), whose sum is σ = 119037696. Its totient is φ = 39457728.

The previous prime is 74190881. The next prime is 74190899. The reversal of 74190885 is 58809147.

It is not a de Polignac number, because 74190885 - 2² = 74190881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74190881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1234 + ... + 12243.

It is an arithmetic number, because the mean of its divisors is an integer number (7439856).

Almost surely, 2^74190885 is an apocalyptic number.

It is an amenable number.

74190885 is a deficient number, since it is larger than the sum of its proper divisors (44846811).

74190885 is a wasteful number, since it uses less digits than its factorization.

74190885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13852.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 74190885 is about 8613.4130865761. The cubic root of 74190885 is about 420.1943261748.

The spelling of 74190885 in words is "seventy-four million, one hundred ninety thousand, eight hundred eighty-five".