74898660 has 48 divisors (see below), whose sum is σ = 211591296. Its totient is φ = 19794432.

The previous prime is 74898653. The next prime is 74898679. The reversal of 74898660 is 6689847.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1257 + ... + 12303.

It is an arithmetic number, because the mean of its divisors is an integer number (4408152).

Almost surely, 2^74898660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74898660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105795648).

74898660 is an abundant number, since it is smaller than the sum of its proper divisors (136692636).

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

74898660 is a wasteful number, since it uses less digits than its factorization.

74898660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11172 (or 11170 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 74898660 is about 8654.4011924569. The cubic root of 74898660 is about 421.5263060009.

The spelling of 74898660 in words is "seventy-four million, eight hundred ninety-eight thousand, six hundred sixty".