765190449 has 8 divisors (see below), whose sum is σ = 1133615520. Its totient is φ = 510126948.

The previous prime is 765190403. The next prime is 765190463. The reversal of 765190449 is 944091567.

765190449 is a `hidden beast` number, since 76 + 51 + 90 + 449 = 666.

It is not a de Polignac number, because 765190449 - 2⁹ = 765189937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (765190469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14170167 + ... + 14170220.

It is an arithmetic number, because the mean of its divisors is an integer number (141701940).

Almost surely, 2^765190449 is an apocalyptic number.

It is an amenable number.

765190449 is a deficient number, since it is larger than the sum of its proper divisors (368425071).

765190449 is a wasteful number, since it uses less digits than its factorization.

765190449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28340396 (or 28340390 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 765190449 is about 27662.0760066919. The cubic root of 765190449 is about 914.6533166600.

The spelling of 765190449 in words is "seven hundred sixty-five million, one hundred ninety thousand, four hundred forty-nine".