74873642 has 8 divisors (see below), whose sum is σ = 118221600. Its totient is φ = 35466444.

The previous prime is 74873641. The next prime is 74873663. The reversal of 74873642 is 24637847.

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

It is a self number, because there is not a number n which added to its sum of digits gives 74873642.

It is not an unprimeable number, because it can be changed into a prime (74873641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 985142 + ... + 985217.

It is an arithmetic number, because the mean of its divisors is an integer number (14777700).

Almost surely, 2^74873642 is an apocalyptic number.

74873642 is a deficient number, since it is larger than the sum of its proper divisors (43347958).

74873642 is a wasteful number, since it uses less digits than its factorization.

74873642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970380.

The product of its digits is 225792, while the sum is 41.

The square root of 74873642 is about 8652.9556799974. The cubic root of 74873642 is about 421.4793673796.

The spelling of 74873642 in words is "seventy-four million, eight hundred seventy-three thousand, six hundred forty-two".