74255897 has 4 divisors (see below), whose sum is σ = 74530176. Its totient is φ = 73981620.

The previous prime is 74255887. The next prime is 74255903. The reversal of 74255897 is 79855247.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74255897 - 2⁶ = 74255833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74255887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136733 + ... + 137274.

It is an arithmetic number, because the mean of its divisors is an integer number (18632544).

Almost surely, 2^74255897 is an apocalyptic number.

It is an amenable number.

74255897 is a deficient number, since it is larger than the sum of its proper divisors (274279).

74255897 is a wasteful number, since it uses less digits than its factorization.

74255897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274278.

The product of its digits is 705600, while the sum is 47.

The square root of 74255897 is about 8617.1861416590. The cubic root of 74255897 is about 420.3170263246.

The spelling of 74255897 in words is "seventy-four million, two hundred fifty-five thousand, eight hundred ninety-seven".