742594757 has 2 divisors, whose sum is σ = 742594758. Its totient is φ = 742594756.

The previous prime is 742594753. The next prime is 742594759. The reversal of 742594757 is 757495247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 425968321 + 316626436 = 20639^2 + 17794^2 .

It is a cyclic number.

It is not a de Polignac number, because 742594757 - 2² = 742594753 is a prime.

Together with 742594759, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742594753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371297378 + 371297379.

It is an arithmetic number, because the mean of its divisors is an integer number (371297379).

Almost surely, 2^742594757 is an apocalyptic number.

It is an amenable number.

742594757 is a deficient number, since it is larger than the sum of its proper divisors (1).

742594757 is an equidigital number, since it uses as much as digits as its factorization.

742594757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2469600, while the sum is 50.

The square root of 742594757 is about 27250.5918651320. The cubic root of 742594757 is about 905.5601294249.

The spelling of 742594757 in words is "seven hundred forty-two million, five hundred ninety-four thousand, seven hundred fifty-seven".