745137077 has 2 divisors, whose sum is σ = 745137078. Its totient is φ = 745137076.

The previous prime is 745137073. The next prime is 745137097. The reversal of 745137077 is 770731547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 680479396 + 64657681 = 26086^2 + 8041^2 .

It is a cyclic number.

It is not a de Polignac number, because 745137077 - 2² = 745137073 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 (745137073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372568538 + 372568539.

It is an arithmetic number, because the mean of its divisors is an integer number (372568539).

Almost surely, 2^745137077 is an apocalyptic number.

It is an amenable number.

745137077 is a deficient number, since it is larger than the sum of its proper divisors (1).

745137077 is an equidigital number, since it uses as much as digits as its factorization.

745137077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144060, while the sum is 41.

The square root of 745137077 is about 27297.1990687689. The cubic root of 745137077 is about 906.5923664213.

The spelling of 745137077 in words is "seven hundred forty-five million, one hundred thirty-seven thousand, seventy-seven".