772873246 has 4 divisors (see below), whose sum is σ = 1159309872. Its totient is φ = 386436622.

The previous prime is 772873201. The next prime is 772873249. The reversal of 772873246 is 642378277.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 642378277 = 19 ⋅33809383.

It is a junction number, because it is equal to n+sod(n) for n = 772873196 and 772873205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772873249) 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 as a sum of consecutive naturals, namely, 193218310 + ... + 193218313.

It is an arithmetic number, because the mean of its divisors is an integer number (289827468).

Almost surely, 2^772873246 is an apocalyptic number.

772873246 is a deficient number, since it is larger than the sum of its proper divisors (386436626).

772873246 is a wasteful number, since it uses less digits than its factorization.

772873246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386436625.

The product of its digits is 790272, while the sum is 46.

The square root of 772873246 is about 27800.5979432098. The cubic root of 772873246 is about 917.7042816669.

The spelling of 772873246 in words is "seven hundred seventy-two million, eight hundred seventy-three thousand, two hundred forty-six".