74273160 has 128 divisors (see below), whose sum is σ = 245306880. Its totient is φ = 17875968.

The previous prime is 74273123. The next prime is 74273161. The reversal of 74273160 is 6137247.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (74273161) 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, 72814 + ... + 73826.

It is an arithmetic number, because the mean of its divisors is an integer number (1916460).

Almost surely, 2^74273160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74273160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122653440).

74273160 is an abundant number, since it is smaller than the sum of its proper divisors (171033720).

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

74273160 is a wasteful number, since it uses less digits than its factorization.

74273160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 74273160 is about 8618.1877445319. The cubic root of 74273160 is about 420.3495955476.

The spelling of 74273160 in words is "seventy-four million, two hundred seventy-three thousand, one hundred sixty".