747242477 has 2 divisors, whose sum is σ = 747242478. Its totient is φ = 747242476.

The previous prime is 747242453. The next prime is 747242513. The reversal of 747242477 is 774242747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 454798276 + 292444201 = 21326^2 + 17101^2 .

It is a cyclic number.

It is not a de Polignac number, because 747242477 - 2²⁶ = 680133613 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (747242407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373621238 + 373621239.

It is an arithmetic number, because the mean of its divisors is an integer number (373621239).

Almost surely, 2^747242477 is an apocalyptic number.

It is an amenable number.

747242477 is a deficient number, since it is larger than the sum of its proper divisors (1).

747242477 is an equidigital number, since it uses as much as digits as its factorization.

747242477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 614656, while the sum is 44.

The square root of 747242477 is about 27335.7362622630. The cubic root of 747242477 is about 907.4454285474.

The spelling of 747242477 in words is "seven hundred forty-seven million, two hundred forty-two thousand, four hundred seventy-seven".