749696137 has 2 divisors, whose sum is σ = 749696138. Its totient is φ = 749696136.

The previous prime is 749696119. The next prime is 749696153. The reversal of 749696137 is 731696947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 411724681 + 337971456 = 20291^2 + 18384^2 .

It is a cyclic number.

It is not a de Polignac number, because 749696137 - 2⁷ = 749696009 is a prime.

It is a super-3 number, since 3×749696137³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (749696117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374848068 + 374848069.

It is an arithmetic number, because the mean of its divisors is an integer number (374848069).

Almost surely, 2^749696137 is an apocalyptic number.

It is an amenable number.

749696137 is a deficient number, since it is larger than the sum of its proper divisors (1).

749696137 is an equidigital number, since it uses as much as digits as its factorization.

749696137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1714608, while the sum is 52.

The square root of 749696137 is about 27380.5795592423. The cubic root of 749696137 is about 908.4375785716.

The spelling of 749696137 in words is "seven hundred forty-nine million, six hundred ninety-six thousand, one hundred thirty-seven".