74713660 has 48 divisors (see below), whose sum is σ = 187117056. Its totient is φ = 24501312.

The previous prime is 74713649. The next prime is 74713663. The reversal of 74713660 is 6631747.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74713663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8382 + ... + 14821.

It is an arithmetic number, because the mean of its divisors is an integer number (3898272).

Almost surely, 2^74713660 is an apocalyptic number.

74713660 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74713660 is an abundant number, since it is smaller than the sum of its proper divisors (112403396).

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

74713660 is a wasteful number, since it uses less digits than its factorization.

74713660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23242 (or 23240 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 74713660 is about 8643.7063809456. The cubic root of 74713660 is about 421.1789626241.

The spelling of 74713660 in words is "seventy-four million, seven hundred thirteen thousand, six hundred sixty".