74998271 has 4 divisors (see below), whose sum is σ = 79409952. Its totient is φ = 70586592.

The previous prime is 74998267. The next prime is 74998277. The reversal of 74998271 is 17289947.

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 74998271 - 2² = 74998267 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74998277) 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, 2205815 + ... + 2205848.

It is an arithmetic number, because the mean of its divisors is an integer number (19852488).

Almost surely, 2^74998271 is an apocalyptic number.

74998271 is a deficient number, since it is larger than the sum of its proper divisors (4411681).

74998271 is a wasteful number, since it uses less digits than its factorization.

74998271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4411680.

The product of its digits is 254016, while the sum is 47.

The square root of 74998271 is about 8660.1542134075. The cubic root of 74998271 is about 421.7130919702.

The spelling of 74998271 in words is "seventy-four million, nine hundred ninety-eight thousand, two hundred seventy-one".