745023677 has 2 divisors, whose sum is σ = 745023678. Its totient is φ = 745023676.

The previous prime is 745023647. The next prime is 745023701. The reversal of 745023677 is 776320547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 695165956 + 49857721 = 26366^2 + 7061^2 .

It is a cyclic number.

It is not a de Polignac number, because 745023677 - 2¹⁶ = 744958141 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 (745023647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372511838 + 372511839.

It is an arithmetic number, because the mean of its divisors is an integer number (372511839).

Almost surely, 2^745023677 is an apocalyptic number.

It is an amenable number.

745023677 is a deficient number, since it is larger than the sum of its proper divisors (1).

745023677 is an equidigital number, since it uses as much as digits as its factorization.

745023677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 246960, while the sum is 41.

The square root of 745023677 is about 27295.1218535474. The cubic root of 745023677 is about 906.5463736354.

The spelling of 745023677 in words is "seven hundred forty-five million, twenty-three thousand, six hundred seventy-seven".