7420771164 has 24 divisors (see below), whose sum is σ = 17344348560. Its totient is φ = 2469416704.

The previous prime is 7420771159. The next prime is 7420771187. The reversal of 7420771164 is 4611770247.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514299 + ... + 528530.

It is an arithmetic number, because the mean of its divisors is an integer number (722681190).

Almost surely, 2^7420771164 is an apocalyptic number.

It is an amenable number.

7420771164 is an abundant number, since it is smaller than the sum of its proper divisors (9923577396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7420771164 is a wasteful number, since it uses less digits than its factorization.

7420771164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043429 (or 1043427 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 7420771164 is about 86143.8980079262. The cubic root of 7420771164 is about 1950.5167303837.

The spelling of 7420771164 in words is "seven billion, four hundred twenty million, seven hundred seventy-one thousand, one hundred sixty-four".