74498660 has 12 divisors (see below), whose sum is σ = 156447228. Its totient is φ = 29799456.

The previous prime is 74498657. The next prime is 74498663. The reversal of 74498660 is 6689447.

It is an interprime number because it is at equal distance from previous prime (74498657) and next prime (74498663).

It can be written as a sum of positive squares in 2 ways, for example, as 34480384 + 40018276 = 5872^2 + 6326^2 .

It is not an unprimeable number, because it can be changed into a prime (74498663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1862447 + ... + 1862486.

It is an arithmetic number, because the mean of its divisors is an integer number (13037269).

Almost surely, 2^74498660 is an apocalyptic number.

It is an amenable number.

74498660 is an abundant number, since it is smaller than the sum of its proper divisors (81948568).

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

74498660 is a wasteful number, since it uses less digits than its factorization.

74498660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3724942 (or 3724940 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 74498660 is about 8631.2606263512. The cubic root of 74498660 is about 420.7745721526.

The spelling of 74498660 in words is "seventy-four million, four hundred ninety-eight thousand, six hundred sixty".