745718357 has 2 divisors, whose sum is σ = 745718358. Its totient is φ = 745718356.

The previous prime is 745718339. The next prime is 745718411. The reversal of 745718357 is 753817547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 380679121 + 365039236 = 19511^2 + 19106^2 .

It is a cyclic number.

It is not a de Polignac number, because 745718357 - 2⁸ = 745718101 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 (745718257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372859178 + 372859179.

It is an arithmetic number, because the mean of its divisors is an integer number (372859179).

Almost surely, 2^745718357 is an apocalyptic number.

It is an amenable number.

745718357 is a deficient number, since it is larger than the sum of its proper divisors (1).

745718357 is an equidigital number, since it uses as much as digits as its factorization.

745718357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 823200, while the sum is 47.

The square root of 745718357 is about 27307.8442393390. The cubic root of 745718357 is about 906.8280488004.

It can be divided in two parts, 74571 and 8357, that added together give a palindrome (82928).

The spelling of 745718357 in words is "seven hundred forty-five million, seven hundred eighteen thousand, three hundred fifty-seven".