814890737 has 2 divisors, whose sum is σ = 814890738. Its totient is φ = 814890736.

The previous prime is 814890731. The next prime is 814890757. The reversal of 814890737 is 737098418.

814890737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 799532176 + 15358561 = 28276^2 + 3919^2 .

It is a cyclic number.

It is not a de Polignac number, because 814890737 - 2⁶ = 814890673 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 814890691 and 814890700.

It is not a weakly prime, because it can be changed into another prime (814890731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407445368 + 407445369.

It is an arithmetic number, because the mean of its divisors is an integer number (407445369).

Almost surely, 2^814890737 is an apocalyptic number.

It is an amenable number.

814890737 is a deficient number, since it is larger than the sum of its proper divisors (1).

814890737 is an equidigital number, since it uses as much as digits as its factorization.

814890737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 814890737 is about 28546.2911251182. The cubic root of 814890737 is about 934.0421189014.

The spelling of 814890737 in words is "eight hundred fourteen million, eight hundred ninety thousand, seven hundred thirty-seven".