772234680 has 128 divisors (see below), whose sum is σ = 2660820480. Its totient is φ = 175633920.

The previous prime is 772234679. The next prime is 772234691. The reversal of 772234680 is 86432277.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175062 + ... + 179418.

It is an arithmetic number, because the mean of its divisors is an integer number (20787660).

Almost surely, 2^772234680 is an apocalyptic number.

772234680 is a gapful number since it is divisible by the number (70) 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 772234680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1330410240).

772234680 is an abundant number, since it is smaller than the sum of its proper divisors (1888585800).

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

772234680 is a wasteful number, since it uses less digits than its factorization.

772234680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4589 (or 4585 counting only the distinct ones).

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

The square root of 772234680 is about 27789.1108170089. The cubic root of 772234680 is about 917.4514690949.

The spelling of 772234680 in words is "seven hundred seventy-two million, two hundred thirty-four thousand, six hundred eighty".