772016241 has 4 divisors (see below), whose sum is σ = 1029354992. Its totient is φ = 514677492.

The previous prime is 772016213. The next prime is 772016243. The reversal of 772016241 is 142610277.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 142610277 = 3 ⋅47536759.

It is not a de Polignac number, because 772016241 - 2⁶ = 772016177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 772016199 and 772016208.

It is not an unprimeable number, because it can be changed into a prime (772016243) 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, 128669371 + ... + 128669376.

It is an arithmetic number, because the mean of its divisors is an integer number (257338748).

Almost surely, 2^772016241 is an apocalyptic number.

It is an amenable number.

772016241 is a deficient number, since it is larger than the sum of its proper divisors (257338751).

772016241 is a wasteful number, since it uses less digits than its factorization.

772016241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257338750.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 772016241 is about 27785.1802405527. The cubic root of 772016241 is about 917.3649556356.

The spelling of 772016241 in words is "seven hundred seventy-two million, sixteen thousand, two hundred forty-one".