747451871 has 2 divisors, whose sum is σ = 747451872. Its totient is φ = 747451870.

The previous prime is 747451867. The next prime is 747451877. The reversal of 747451871 is 178154747.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 747451871 - 2² = 747451867 is a prime.

It is a super-2 number, since 2×747451871² = 1117368598922801282, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (747451877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373725935 + 373725936.

It is an arithmetic number, because the mean of its divisors is an integer number (373725936).

Almost surely, 2^747451871 is an apocalyptic number.

747451871 is a deficient number, since it is larger than the sum of its proper divisors (1).

747451871 is an equidigital number, since it uses as much as digits as its factorization.

747451871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 219520, while the sum is 44.

The square root of 747451871 is about 27339.5660353269. The cubic root of 747451871 is about 907.5301827773.

The spelling of 747451871 in words is "seven hundred forty-seven million, four hundred fifty-one thousand, eight hundred seventy-one".