772561627 has 4 divisors (see below), whose sum is σ = 778459176. Its totient is φ = 766664080.

The previous prime is 772561609. The next prime is 772561639. The reversal of 772561627 is 726165277.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 772561627 - 2¹⁵ = 772528859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (772561667) 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, 2948578 + ... + 2948839.

It is an arithmetic number, because the mean of its divisors is an integer number (194614794).

Almost surely, 2^772561627 is an apocalyptic number.

772561627 is a deficient number, since it is larger than the sum of its proper divisors (5897549).

772561627 is a wasteful number, since it uses less digits than its factorization.

772561627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5897548.

The product of its digits is 246960, while the sum is 43.

The square root of 772561627 is about 27794.9928404380. The cubic root of 772561627 is about 917.5809270137.

The spelling of 772561627 in words is "seven hundred seventy-two million, five hundred sixty-one thousand, six hundred twenty-seven".