772727140 has 12 divisors (see below), whose sum is σ = 1622727036. Its totient is φ = 309090848.

The previous prime is 772727117. The next prime is 772727167. The reversal of 772727140 is 41727277.

It can be written as a sum of positive squares in 2 ways, for example, as 516471076 + 256256064 = 22726^2 + 16008^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 772727140.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19318159 + ... + 19318198.

It is an arithmetic number, because the mean of its divisors is an integer number (135227253).

Almost surely, 2^772727140 is an apocalyptic number.

It is an amenable number.

772727140 is an abundant number, since it is smaller than the sum of its proper divisors (849999896).

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

772727140 is a wasteful number, since it uses less digits than its factorization.

772727140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38636366 (or 38636364 counting only the distinct ones).

The product of its (nonzero) digits is 38416, while the sum is 37.

The square root of 772727140 is about 27797.9700697731. The cubic root of 772727140 is about 917.6464496087.

The spelling of 772727140 in words is "seven hundred seventy-two million, seven hundred twenty-seven thousand, one hundred forty".