772740940 has 24 divisors (see below), whose sum is σ = 1662337152. Its totient is φ = 301557120.

The previous prime is 772740907. The next prime is 772740977. The reversal of 772740940 is 49047277.

772740940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 772740893 and 772740902.

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, 470364 + ... + 472003.

It is an arithmetic number, because the mean of its divisors is an integer number (69264048).

Almost surely, 2^772740940 is an apocalyptic number.

It is an amenable number.

772740940 is an abundant number, since it is smaller than the sum of its proper divisors (889596212).

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

772740940 is a wasteful number, since it uses less digits than its factorization.

772740940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942417 (or 942415 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 772740940 is about 27798.2182882285. The cubic root of 772740940 is about 917.6519122724.

The spelling of 772740940 in words is "seven hundred seventy-two million, seven hundred forty thousand, nine hundred forty".