767406049 has 4 divisors (see below), whose sum is σ = 768167620. Its totient is φ = 766644480.

The previous prime is 767406037. The next prime is 767406077. The reversal of 767406049 is 940604767.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 940604767 = 911 ⋅1032497.

It can be written as a sum of positive squares in 2 ways, for example, as 196196049 + 571210000 = 14007^2 + 23900^2 .

It is a cyclic number.

It is not a de Polignac number, because 767406049 - 2⁹ = 767405537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 767405996 and 767406014.

It is not an unprimeable number, because it can be changed into a prime (767406089) 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, 379272 + ... + 381289.

It is an arithmetic number, because the mean of its divisors is an integer number (192041905).

Almost surely, 2^767406049 is an apocalyptic number.

It is an amenable number.

767406049 is a deficient number, since it is larger than the sum of its proper divisors (761571).

767406049 is a wasteful number, since it uses less digits than its factorization.

767406049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761570.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 767406049 is about 27702.0946680932. The cubic root of 767406049 is about 915.5352553212.

The spelling of 767406049 in words is "seven hundred sixty-seven million, four hundred six thousand, forty-nine".