74545842 has 16 divisors (see below), whose sum is σ = 170390592. Its totient is φ = 21298800.

The previous prime is 74545837. The next prime is 74545847. The reversal of 74545842 is 24854547.

It is an interprime number because it is at equal distance from previous prime (74545837) and next prime (74545847).

It is a self number, because there is not a number n which added to its sum of digits gives 74545842.

It is not an unprimeable number, because it can be changed into a prime (74545847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887409 + ... + 887492.

It is an arithmetic number, because the mean of its divisors is an integer number (10649412).

Almost surely, 2^74545842 is an apocalyptic number.

74545842 is an abundant number, since it is smaller than the sum of its proper divisors (95844750).

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

74545842 is a wasteful number, since it uses less digits than its factorization.

74545842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774913.

The product of its digits is 179200, while the sum is 39.

The square root of 74545842 is about 8633.9933981907. The cubic root of 74545842 is about 420.8633826815.

The spelling of 74545842 in words is "seventy-four million, five hundred forty-five thousand, eight hundred forty-two".