770422731 has 16 divisors (see below), whose sum is σ = 1129787904. Its totient is φ = 464017824.

The previous prime is 770422693. The next prime is 770422733. The reversal of 770422731 is 137224077.

It is not a de Polignac number, because 770422731 - 2¹⁹ = 769898443 is a prime.

It is a super-2 number, since 2×770422731² = 1187102368882996722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 770422692 and 770422701.

It is not an unprimeable number, because it can be changed into a prime (770422733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208321 + ... + 211986.

It is an arithmetic number, because the mean of its divisors is an integer number (70611744).

Almost surely, 2^770422731 is an apocalyptic number.

770422731 is a deficient number, since it is larger than the sum of its proper divisors (359365173).

770422731 is a wasteful number, since it uses less digits than its factorization.

770422731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420370.

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 770422731 is about 27756.4898897537. The cubic root of 770422731 is about 916.7333466573.

The spelling of 770422731 in words is "seven hundred seventy million, four hundred twenty-two thousand, seven hundred thirty-one".