74273315 has 4 divisors (see below), whose sum is σ = 89127984. Its totient is φ = 59418648.

The previous prime is 74273293. The next prime is 74273327. The reversal of 74273315 is 51337247.

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 74273315 - 2¹⁶ = 74207779 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7427327 + ... + 7427336.

It is an arithmetic number, because the mean of its divisors is an integer number (22281996).

Almost surely, 2^74273315 is an apocalyptic number.

74273315 is a deficient number, since it is larger than the sum of its proper divisors (14854669).

74273315 is a wasteful number, since it uses less digits than its factorization.

74273315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14854668.

The product of its digits is 17640, while the sum is 32.

The square root of 74273315 is about 8618.1967371371. The cubic root of 74273315 is about 420.3498879554.

The spelling of 74273315 in words is "seventy-four million, two hundred seventy-three thousand, three hundred fifteen".