772325140 has 12 divisors (see below), whose sum is σ = 1621882836. Its totient is φ = 308930048.

The previous prime is 772325131. The next prime is 772325143. The reversal of 772325140 is 41523277.

It can be written as a sum of positive squares in 2 ways, for example, as 521482896 + 250842244 = 22836^2 + 15838^2 .

It is a super-2 number, since 2×772325140² = 1192972243752039200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772325143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19308109 + ... + 19308148.

It is an arithmetic number, because the mean of its divisors is an integer number (135156903).

Almost surely, 2^772325140 is an apocalyptic number.

It is an amenable number.

772325140 is an abundant number, since it is smaller than the sum of its proper divisors (849557696).

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

772325140 is a wasteful number, since it uses less digits than its factorization.

772325140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38616266 (or 38616264 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 772325140 is about 27790.7383852966. The cubic root of 772325140 is about 917.4872912880.

The spelling of 772325140 in words is "seven hundred seventy-two million, three hundred twenty-five thousand, one hundred forty".