768472445 has 16 divisors (see below), whose sum is σ = 997384752. Its totient is φ = 565040640.

The previous prime is 768472427. The next prime is 768472451. The reversal of 768472445 is 544274867.

It can be written as a sum of positive squares in 8 ways, for example, as 244703449 + 523768996 = 15643^2 + 22886^2 .

It is not a de Polignac number, because 768472445 - 2⁶ = 768472381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 768472445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10226 + ... + 40515.

It is an arithmetic number, because the mean of its divisors is an integer number (62336547).

Almost surely, 2^768472445 is an apocalyptic number.

It is an amenable number.

768472445 is a deficient number, since it is larger than the sum of its proper divisors (228912307).

768472445 is a wasteful number, since it uses less digits than its factorization.

768472445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50992.

The product of its digits is 1505280, while the sum is 47.

The square root of 768472445 is about 27721.3355558494. The cubic root of 768472445 is about 915.9591383697.

The spelling of 768472445 in words is "seven hundred sixty-eight million, four hundred seventy-two thousand, four hundred forty-five".