742812997 has 2 divisors, whose sum is σ = 742812998. Its totient is φ = 742812996.

The previous prime is 742812953. The next prime is 742813013. The reversal of 742812997 is 799218247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 385376161 + 357436836 = 19631^2 + 18906^2 .

It is a cyclic number.

It is not a de Polignac number, because 742812997 - 2⁷ = 742812869 is a prime.

It is a super-2 number, since 2×742812997² = 1103542297024244018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 742812997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742812097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371406498 + 371406499.

It is an arithmetic number, because the mean of its divisors is an integer number (371406499).

Almost surely, 2^742812997 is an apocalyptic number.

It is an amenable number.

742812997 is a deficient number, since it is larger than the sum of its proper divisors (1).

742812997 is an equidigital number, since it uses as much as digits as its factorization.

742812997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 49.

The square root of 742812997 is about 27254.5958876664. The cubic root of 742812997 is about 905.6488319479.

The spelling of 742812997 in words is "seven hundred forty-two million, eight hundred twelve thousand, nine hundred ninety-seven".