772238705 has 16 divisors (see below), whose sum is σ = 1059692160. Its totient is φ = 529224192.

The previous prime is 772238693. The next prime is 772238707. The reversal of 772238705 is 507832277.

It is not a de Polignac number, because 772238705 - 2²⁰ = 771190129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (772238707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65126 + ... + 76064.

It is an arithmetic number, because the mean of its divisors is an integer number (66230760).

Almost surely, 2^772238705 is an apocalyptic number.

It is an amenable number.

772238705 is a deficient number, since it is larger than the sum of its proper divisors (287453455).

772238705 is a wasteful number, since it uses less digits than its factorization.

772238705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12968.

The product of its (nonzero) digits is 164640, while the sum is 41.

The square root of 772238705 is about 27789.1832373677. The cubic root of 772238705 is about 917.4530630558.

The spelling of 772238705 in words is "seven hundred seventy-two million, two hundred thirty-eight thousand, seven hundred five".