74989692 has 24 divisors (see below), whose sum is σ = 194418000. Its totient is φ = 24996528.

The previous prime is 74989667. The next prime is 74989693. The reversal of 74989692 is 29698947.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74989693) 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 7 ways as a sum of consecutive naturals, for example, 347067 + ... + 347282.

It is an arithmetic number, because the mean of its divisors is an integer number (8100750).

Almost surely, 2^74989692 is an apocalyptic number.

It is an amenable number.

74989692 is an abundant number, since it is smaller than the sum of its proper divisors (119428308).

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

74989692 is a wasteful number, since it uses less digits than its factorization.

74989692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694362 (or 694354 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 74989692 is about 8659.6588847367. The cubic root of 74989692 is about 421.6970115348.

The spelling of 74989692 in words is "seventy-four million, nine hundred eighty-nine thousand, six hundred ninety-two".