747342977 has 2 divisors, whose sum is σ = 747342978. Its totient is φ = 747342976.

The previous prime is 747342961. The next prime is 747343013. The reversal of 747342977 is 779243747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 672676096 + 74666881 = 25936^2 + 8641^2 .

It is an emirp because it is prime and its reverse (779243747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 747342977 - 2⁴ = 747342961 is a prime.

It is not a weakly prime, because it can be changed into another prime (747342907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373671488 + 373671489.

It is an arithmetic number, because the mean of its divisors is an integer number (373671489).

Almost surely, 2^747342977 is an apocalyptic number.

It is an amenable number.

747342977 is a deficient number, since it is larger than the sum of its proper divisors (1).

747342977 is an equidigital number, since it uses as much as digits as its factorization.

747342977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2074464, while the sum is 50.

The square root of 747342977 is about 27337.5744534880. The cubic root of 747342977 is about 907.4861088621.

The spelling of 747342977 in words is "seven hundred forty-seven million, three hundred forty-two thousand, nine hundred seventy-seven".