743536897 has 2 divisors, whose sum is σ = 743536898. Its totient is φ = 743536896.

The previous prime is 743536879. The next prime is 743536907. The reversal of 743536897 is 798635347.

It is a happy number.

Together with previous prime (743536879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 581967376 + 161569521 = 24124^2 + 12711^2 .

It is a cyclic number.

It is not a de Polignac number, because 743536897 - 2²⁷ = 609319169 is a prime.

It is not a weakly prime, because it can be changed into another prime (743536877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371768448 + 371768449.

It is an arithmetic number, because the mean of its divisors is an integer number (371768449).

Almost surely, 2^743536897 is an apocalyptic number.

It is an amenable number.

743536897 is a deficient number, since it is larger than the sum of its proper divisors (1).

743536897 is an equidigital number, since it uses as much as digits as its factorization.

743536897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 52.

The square root of 743536897 is about 27267.8729826879. The cubic root of 743536897 is about 905.9429330376.

The spelling of 743536897 in words is "seven hundred forty-three million, five hundred thirty-six thousand, eight hundred ninety-seven".