74555074 has 16 divisors (see below), whose sum is σ = 125297856. Its totient is φ = 32972400.

The previous prime is 74555071. The next prime is 74555083. The reversal of 74555074 is 47055547.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (74555071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44982 + ... + 46609.

It is an arithmetic number, because the mean of its divisors is an integer number (7831116).

Almost surely, 2^74555074 is an apocalyptic number.

74555074 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

74555074 is a deficient number, since it is larger than the sum of its proper divisors (50742782).

74555074 is a wasteful number, since it uses less digits than its factorization.

74555074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91641.

The product of its (nonzero) digits is 98000, while the sum is 37.

The square root of 74555074 is about 8634.5280125783. The cubic root of 74555074 is about 420.8807556619.

The spelling of 74555074 in words is "seventy-four million, five hundred fifty-five thousand, seventy-four".