772479436 has 12 divisors (see below), whose sum is σ = 1352035440. Its totient is φ = 386183600.

The previous prime is 772479419. The next prime is 772479437. The reversal of 772479436 is 634974277.

It is a self number, because there is not a number n which added to its sum of digits gives 772479436.

It is not an unprimeable number, because it can be changed into a prime (772479437) 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, 40425 + ... + 56383.

It is an arithmetic number, because the mean of its divisors is an integer number (112669620).

Almost surely, 2^772479436 is an apocalyptic number.

It is an amenable number.

772479436 is a deficient number, since it is larger than the sum of its proper divisors (579556004).

772479436 is a wasteful number, since it uses less digits than its factorization.

772479436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28064 (or 28062 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 49.

The square root of 772479436 is about 27793.5142794142. The cubic root of 772479436 is about 917.5483861065.

The spelling of 772479436 in words is "seven hundred seventy-two million, four hundred seventy-nine thousand, four hundred thirty-six".