74520134 has 8 divisors (see below), whose sum is σ = 120378720. Its totient is φ = 34393896.

The previous prime is 74520119. The next prime is 74520151. The reversal of 74520134 is 43102547.

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 2866159 = 74520134 / (7 + 4 + 5 + 2 + 0 + 1 + 3 + 4).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1433054 + ... + 1433105.

It is an arithmetic number, because the mean of its divisors is an integer number (15047340).

Almost surely, 2^74520134 is an apocalyptic number.

74520134 is a deficient number, since it is larger than the sum of its proper divisors (45858586).

74520134 is a wasteful number, since it uses less digits than its factorization.

74520134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866174.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 74520134 is about 8632.5045033293. The cubic root of 74520134 is about 420.8149972427.

The spelling of 74520134 in words is "seventy-four million, five hundred twenty thousand, one hundred thirty-four".