772253073 has 6 divisors (see below), whose sum is σ = 1115476674. Its totient is φ = 514835376.

The previous prime is 772253051. The next prime is 772253117. The reversal of 772253073 is 370352277.

It can be written as a sum of positive squares in only one way, i.e., 420578064 + 351675009 = 20508^2 + 18753^2 .

It is not a de Polignac number, because 772253073 - 2²⁴ = 755475857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (772253173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42902940 + ... + 42902957.

It is an arithmetic number, because the mean of its divisors is an integer number (185912779).

Almost surely, 2^772253073 is an apocalyptic number.

It is an amenable number.

772253073 is a deficient number, since it is larger than the sum of its proper divisors (343223601).

772253073 is a wasteful number, since it uses less digits than its factorization.

772253073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85805903 (or 85805900 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 36.

The square root of 772253073 is about 27789.4417540187. The cubic root of 772253073 is about 917.4587529562.

The spelling of 772253073 in words is "seven hundred seventy-two million, two hundred fifty-three thousand, seventy-three".