749282137 has 2 divisors, whose sum is σ = 749282138. Its totient is φ = 749282136.

The previous prime is 749282101. The next prime is 749282167. The reversal of 749282137 is 731282947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 535274496 + 214007641 = 23136^2 + 14629^2 .

It is a cyclic number.

It is not a de Polignac number, because 749282137 - 2²³ = 740893529 is a prime.

It is a super-2 number, since 2×749282137² = 1122847441654573538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 749282093 and 749282102.

It is not a weakly prime, because it can be changed into another prime (749282167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374641068 + 374641069.

It is an arithmetic number, because the mean of its divisors is an integer number (374641069).

Almost surely, 2^749282137 is an apocalyptic number.

It is an amenable number.

749282137 is a deficient number, since it is larger than the sum of its proper divisors (1).

749282137 is an equidigital number, since it uses as much as digits as its factorization.

749282137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 43.

The square root of 749282137 is about 27373.0184122979. The cubic root of 749282137 is about 908.2703275173.

The spelling of 749282137 in words is "seven hundred forty-nine million, two hundred eighty-two thousand, one hundred thirty-seven".