74271263 has 4 divisors (see below), whose sum is σ = 81023208. Its totient is φ = 67519320.

The previous prime is 74271229. The next prime is 74271271. The reversal of 74271263 is 36217247.

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

It is not a de Polignac number, because 74271263 - 2⁶ = 74271199 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 (74271203) 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, 3375956 + ... + 3375977.

It is an arithmetic number, because the mean of its divisors is an integer number (20255802).

Almost surely, 2^74271263 is an apocalyptic number.

74271263 is a deficient number, since it is larger than the sum of its proper divisors (6751945).

74271263 is a wasteful number, since it uses less digits than its factorization.

74271263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6751944.

The product of its digits is 14112, while the sum is 32.

The square root of 74271263 is about 8618.0776858880. The cubic root of 74271263 is about 420.3460168211.

The spelling of 74271263 in words is "seventy-four million, two hundred seventy-one thousand, two hundred sixty-three".