772613066 has 8 divisors (see below), whose sum is σ = 1159042500. Its totient is φ = 386265568.

The previous prime is 772613063. The next prime is 772613077. The reversal of 772613066 is 660316277.

It can be written as a sum of positive squares in 2 ways, for example, as 772006225 + 606841 = 27785^2 + 779^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (772613063) 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, 16310 + ... + 42558.

Almost surely, 2^772613066 is an apocalyptic number.

772613066 is a deficient number, since it is larger than the sum of its proper divisors (386429434).

772613066 is a wasteful number, since it uses less digits than its factorization.

772613066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40968.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 772613066 is about 27795.9181535707. The cubic root of 772613066 is about 917.6012914723.

The spelling of 772613066 in words is "seven hundred seventy-two million, six hundred thirteen thousand, sixty-six".