74745754 has 4 divisors (see below), whose sum is σ = 112118634. Its totient is φ = 37372876.

The previous prime is 74745751. The next prime is 74745767. The reversal of 74745754 is 45754747.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 60419529 + 14326225 = 7773^2 + 3785^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 74745754.

It is not an unprimeable number, because it can be changed into a prime (74745751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18686437 + ... + 18686440.

Almost surely, 2^74745754 is an apocalyptic number.

74745754 is a deficient number, since it is larger than the sum of its proper divisors (37372880).

74745754 is a wasteful number, since it uses less digits than its factorization.

74745754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37372879.

The product of its digits is 548800, while the sum is 43.

The square root of 74745754 is about 8645.5626768881. The cubic root of 74745754 is about 421.2392612031.

The spelling of 74745754 in words is "seventy-four million, seven hundred forty-five thousand, seven hundred fifty-four".