748140769 has 2 divisors, whose sum is σ = 748140770. Its totient is φ = 748140768.

The previous prime is 748140737. The next prime is 748140773. The reversal of 748140769 is 967041847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 662393169 + 85747600 = 25737^2 + 9260^2 .

It is a cyclic number.

It is not a de Polignac number, because 748140769 - 2⁵ = 748140737 is a prime.

It is a super-2 number, since 2×748140769² = 1119429220479822722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (748146769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374070384 + 374070385.

It is an arithmetic number, because the mean of its divisors is an integer number (374070385).

Almost surely, 2^748140769 is an apocalyptic number.

It is an amenable number.

748140769 is a deficient number, since it is larger than the sum of its proper divisors (1).

748140769 is an equidigital number, since it uses as much as digits as its factorization.

748140769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 748140769 is about 27352.1620534831. The cubic root of 748140769 is about 907.8089091977.

The spelling of 748140769 in words is "seven hundred forty-eight million, one hundred forty thousand, seven hundred sixty-nine".