920274739 has 2 divisors, whose sum is σ = 920274740. Its totient is φ = 920274738.

The previous prime is 920274727. The next prime is 920274757. The reversal of 920274739 is 937472029.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 920274739 - 2⁹ = 920274227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 920274695 and 920274704.

It is not a weakly prime, because it can be changed into another prime (920274779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460137369 + 460137370.

It is an arithmetic number, because the mean of its divisors is an integer number (460137370).

Almost surely, 2^920274739 is an apocalyptic number.

920274739 is a deficient number, since it is larger than the sum of its proper divisors (1).

920274739 is an equidigital number, since it uses as much as digits as its factorization.

920274739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 920274739 is about 30336.0303764352. The cubic root of 920274739 is about 972.6856311055.

The spelling of 920274739 in words is "nine hundred twenty million, two hundred seventy-four thousand, seven hundred thirty-nine".