772601090 has 8 divisors (see below), whose sum is σ = 1390681980. Its totient is φ = 309040432.

The previous prime is 772601077. The next prime is 772601099. The reversal of 772601090 is 90106277.

It can be written as a sum of positive squares in 2 ways, for example, as 750595609 + 22005481 = 27397^2 + 4691^2 .

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 (772601099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38630045 + ... + 38630064.

Almost surely, 2^772601090 is an apocalyptic number.

772601090 is a deficient number, since it is larger than the sum of its proper divisors (618080890).

772601090 is a wasteful number, since it uses less digits than its factorization.

772601090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77260116.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 772601090 is about 27795.7027254214. The cubic root of 772601090 is about 917.5965503109.

The spelling of 772601090 in words is "seven hundred seventy-two million, six hundred one thousand, ninety".