770481620 has 24 divisors (see below), whose sum is σ = 1619124864. Its totient is φ = 307980576.

The previous prime is 770481601. The next prime is 770481637. The reversal of 770481620 is 26184077.

It is a happy number.

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, 18377 + ... + 43343.

It is an arithmetic number, because the mean of its divisors is an integer number (67463536).

Almost surely, 2^770481620 is an apocalyptic number.

It is an amenable number.

770481620 is an abundant number, since it is smaller than the sum of its proper divisors (848643244).

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

770481620 is a wasteful number, since it uses less digits than its factorization.

770481620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26519 (or 26517 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 770481620 is about 27757.5506844534. The cubic root of 770481620 is about 916.7567035895.

The spelling of 770481620 in words is "seven hundred seventy million, four hundred eighty-one thousand, six hundred twenty".