74968990 has 8 divisors (see below), whose sum is σ = 134944200. Its totient is φ = 29987592.

The previous prime is 74968981. The next prime is 74968991. The reversal of 74968990 is 9986947.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74968991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3748440 + ... + 3748459.

It is an arithmetic number, because the mean of its divisors is an integer number (16868025).

Almost surely, 2^74968990 is an apocalyptic number.

74968990 is a deficient number, since it is larger than the sum of its proper divisors (59975210).

74968990 is a wasteful number, since it uses less digits than its factorization.

74968990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7496906.

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 74968990 is about 8658.4634895575. The cubic root of 74968990 is about 421.6582027564.

The spelling of 74968990 in words is "seventy-four million, nine hundred sixty-eight thousand, nine hundred ninety".