770023140 has 24 divisors (see below), whose sum is σ = 2156064960. Its totient is φ = 205339488.

The previous prime is 770023129. The next prime is 770023157. The reversal of 770023140 is 41320077.

It is a super-2 number, since 2×770023140² = 1185871272270919200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 770023140.

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, 6416800 + ... + 6416919.

It is an arithmetic number, because the mean of its divisors is an integer number (89836040).

Almost surely, 2^770023140 is an apocalyptic number.

It is an amenable number.

770023140 is an abundant number, since it is smaller than the sum of its proper divisors (1386041820).

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

770023140 is a wasteful number, since it uses less digits than its factorization.

770023140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12833731 (or 12833729 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 770023140 is about 27749.2908017484. The cubic root of 770023140 is about 916.5748268688.

The spelling of 770023140 in words is "seven hundred seventy million, twenty-three thousand, one hundred forty".