74712271 has 4 divisors (see below), whose sum is σ = 74807992. Its totient is φ = 74616552.

The previous prime is 74712269. The next prime is 74712277. The reversal of 74712271 is 17221747.

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 74712271 - 2¹ = 74712269 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 (74712277) 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, 46680 + ... + 48253.

It is an arithmetic number, because the mean of its divisors is an integer number (18701998).

Almost surely, 2^74712271 is an apocalyptic number.

74712271 is a deficient number, since it is larger than the sum of its proper divisors (95721).

74712271 is an equidigital number, since it uses as much as digits as its factorization.

74712271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95720.

The product of its digits is 5488, while the sum is 31.

The square root of 74712271 is about 8643.6260330951. The cubic root of 74712271 is about 421.1763525650.

The spelling of 74712271 in words is "seventy-four million, seven hundred twelve thousand, two hundred seventy-one".