746999137 has 2 divisors, whose sum is σ = 746999138. Its totient is φ = 746999136.

The previous prime is 746999101. The next prime is 746999189. The reversal of 746999137 is 731999647.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 746600976 + 398161 = 27324^2 + 631^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-746999137 is a prime.

It is not a weakly prime, because it can be changed into another prime (746999237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373499568 + 373499569.

It is an arithmetic number, because the mean of its divisors is an integer number (373499569).

Almost surely, 2^746999137 is an apocalyptic number.

It is an amenable number.

746999137 is a deficient number, since it is larger than the sum of its proper divisors (1).

746999137 is an equidigital number, since it uses as much as digits as its factorization.

746999137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2571912, while the sum is 55.

The square root of 746999137 is about 27331.2849496689. The cubic root of 746999137 is about 907.3469144544.

The spelling of 746999137 in words is "seven hundred forty-six million, nine hundred ninety-nine thousand, one hundred thirty-seven".