74012660 has 24 divisors (see below), whose sum is σ = 156015720. Its totient is φ = 29492864.

The previous prime is 74012641. The next prime is 74012663. The reversal of 74012660 is 6621047.

It can be written as a sum of positive squares in 4 ways, for example, as 3888784 + 70123876 = 1972^2 + 8374^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74012663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1499 + ... + 12258.

It is an arithmetic number, because the mean of its divisors is an integer number (6500655).

Almost surely, 2^74012660 is an apocalyptic number.

It is an amenable number.

74012660 is an abundant number, since it is smaller than the sum of its proper divisors (82003060).

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

74012660 is a wasteful number, since it uses less digits than its factorization.

74012660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14035 (or 14033 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 74012660 is about 8603.0610831262. The cubic root of 74012660 is about 419.8575858803.

The spelling of 74012660 in words is "seventy-four million, twelve thousand, six hundred sixty".