772250753 has 4 divisors (see below), whose sum is σ = 772880340. Its totient is φ = 771621168.

The previous prime is 772250729. The next prime is 772250761. The reversal of 772250753 is 357052277.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 357052277 = 137 ⋅2606221.

It can be written as a sum of positive squares in 2 ways, for example, as 407555344 + 364695409 = 20188^2 + 19097^2 .

It is a cyclic number.

It is not a de Polignac number, because 772250753 - 2¹⁶ = 772185217 is a prime.

It is a super-3 number, since 3×772250753³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (772250053) 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, 312950 + ... + 315407.

It is an arithmetic number, because the mean of its divisors is an integer number (193220085).

Almost surely, 2^772250753 is an apocalyptic number.

It is an amenable number.

772250753 is a deficient number, since it is larger than the sum of its proper divisors (629587).

772250753 is a wasteful number, since it uses less digits than its factorization.

772250753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629586.

The product of its (nonzero) digits is 102900, while the sum is 38.

The square root of 772250753 is about 27789.4000115152. The cubic root of 772250753 is about 917.4578342131.

The spelling of 772250753 in words is "seven hundred seventy-two million, two hundred fifty thousand, seven hundred fifty-three".