620922707 has 2 divisors, whose sum is σ = 620922708. Its totient is φ = 620922706.

The previous prime is 620922691. The next prime is 620922713. The reversal of 620922707 is 707229026.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 620922707 - 2⁴ = 620922691 is a prime.

It is not a weakly prime, because it can be changed into another prime (620922307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310461353 + 310461354.

It is an arithmetic number, because the mean of its divisors is an integer number (310461354).

Almost surely, 2^620922707 is an apocalyptic number.

620922707 is a deficient number, since it is larger than the sum of its proper divisors (1).

620922707 is an equidigital number, since it uses as much as digits as its factorization.

620922707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 620922707 is about 24918.3207098713. The cubic root of 620922707 is about 853.1246961888.

The spelling of 620922707 in words is "six hundred twenty million, nine hundred twenty-two thousand, seven hundred seven".