74894315 has 4 divisors (see below), whose sum is σ = 89873184. Its totient is φ = 59915448.

The previous prime is 74894311. The next prime is 74894317. The reversal of 74894315 is 51349847.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74894315 - 2² = 74894311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74894311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7489427 + ... + 7489436.

It is an arithmetic number, because the mean of its divisors is an integer number (22468296).

Almost surely, 2^74894315 is an apocalyptic number.

74894315 is a deficient number, since it is larger than the sum of its proper divisors (14978869).

74894315 is a wasteful number, since it uses less digits than its factorization.

74894315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14978868.

The product of its digits is 120960, while the sum is 41.

The square root of 74894315 is about 8654.1501604721. The cubic root of 74894315 is about 421.5181546881.

The spelling of 74894315 in words is "seventy-four million, eight hundred ninety-four thousand, three hundred fifteen".