74949075 has 18 divisors (see below), whose sum is σ = 134242524. Its totient is φ = 39972720.

The previous prime is 74949071. The next prime is 74949089. The reversal of 74949075 is 57094947.

74949075 is a `hidden beast` number, since 7 + 494 + 90 + 75 = 666.

It is not a de Polignac number, because 74949075 - 2² = 74949071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 74949075.

It is not an unprimeable number, because it can be changed into a prime (74949071) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 166329 + ... + 166778.

It is an arithmetic number, because the mean of its divisors is an integer number (7457918).

Almost surely, 2^74949075 is an apocalyptic number.

74949075 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

74949075 is a deficient number, since it is larger than the sum of its proper divisors (59293449).

74949075 is a wasteful number, since it uses less digits than its factorization.

74949075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333123 (or 333115 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 74949075 is about 8657.3133823375. The cubic root of 74949075 is about 421.6208625763.

The spelling of 74949075 in words is "seventy-four million, nine hundred forty-nine thousand, seventy-five".