747404227 has 4 divisors (see below), whose sum is σ = 756865120. Its totient is φ = 737943336.

The previous prime is 747404221. The next prime is 747404233. The reversal of 747404227 is 722404747.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (747404221) and next prime (747404233).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-747404227 is a prime.

It is a super-2 number, since 2×747404227² = 1117226157074935058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (747404221) 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, 4730328 + ... + 4730485.

It is an arithmetic number, because the mean of its divisors is an integer number (189216280).

Almost surely, 2^747404227 is an apocalyptic number.

747404227 is a deficient number, since it is larger than the sum of its proper divisors (9460893).

747404227 is an equidigital number, since it uses as much as digits as its factorization.

747404227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9460892.

The product of its (nonzero) digits is 87808, while the sum is 37.

The square root of 747404227 is about 27338.6946835433. The cubic root of 747404227 is about 907.5108998026.

The spelling of 747404227 in words is "seven hundred forty-seven million, four hundred four thousand, two hundred twenty-seven".