74452755 has 32 divisors (see below), whose sum is σ = 129024000. Its totient is φ = 36443520.

The previous prime is 74452753. The next prime is 74452759. The reversal of 74452755 is 55725447.

It is not a de Polignac number, because 74452755 - 2¹ = 74452753 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (74452753) 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 31 ways as a sum of consecutive naturals, for example, 36246 + ... + 38244.

It is an arithmetic number, because the mean of its divisors is an integer number (4032000).

Almost surely, 2^74452755 is an apocalyptic number.

74452755 is a deficient number, since it is larger than the sum of its proper divisors (54571245).

74452755 is a wasteful number, since it uses less digits than its factorization.

74452755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211.

The product of its digits is 196000, while the sum is 39.

The square root of 74452755 is about 8628.6009874139. The cubic root of 74452755 is about 420.6881293206.

The spelling of 74452755 in words is "seventy-four million, four hundred fifty-two thousand, seven hundred fifty-five".