74752271 has 8 divisors (see below), whose sum is σ = 81813888. Its totient is φ = 67735000.

The previous prime is 74752259. The next prime is 74752283. The reversal of 74752271 is 17225747.

It is an interprime number because it is at equal distance from previous prime (74752259) and next prime (74752283).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74752271 - 2²² = 70557967 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 (74752201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7505 + ... + 14346.

It is an arithmetic number, because the mean of its divisors is an integer number (10226736).

Almost surely, 2^74752271 is an apocalyptic number.

74752271 is a deficient number, since it is larger than the sum of its proper divisors (7061617).

74752271 is a wasteful number, since it uses less digits than its factorization.

74752271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22173.

The product of its digits is 27440, while the sum is 35.

The square root of 74752271 is about 8645.9395672188. The cubic root of 74752271 is about 421.2515033098.

The spelling of 74752271 in words is "seventy-four million, seven hundred fifty-two thousand, two hundred seventy-one".