770423628 has 96 divisors (see below), whose sum is σ = 2108332800. Its totient is φ = 216808704.

The previous prime is 770423611. The next prime is 770423651. The reversal of 770423628 is 826324077.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81475 + ... + 90437.

It is an arithmetic number, because the mean of its divisors is an integer number (21961800).

Almost surely, 2^770423628 is an apocalyptic number.

770423628 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 770423628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1054166400).

770423628 is an abundant number, since it is smaller than the sum of its proper divisors (1337909172).

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

770423628 is a wasteful number, since it uses less digits than its factorization.

770423628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9031 (or 9029 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 770423628 is about 27756.5060481322. The cubic root of 770423628 is about 916.7337024401.

The spelling of 770423628 in words is "seven hundred seventy million, four hundred twenty-three thousand, six hundred twenty-eight".