772215013 has 4 divisors (see below), whose sum is σ = 773883328. Its totient is φ = 770546700.

The previous prime is 772214983. The next prime is 772215023. The reversal of 772215013 is 310512277.

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.

It is a cyclic number.

It is not a de Polignac number, because 772215013 - 2¹³ = 772206821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772215023) 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, 833463 + ... + 834388.

It is an arithmetic number, because the mean of its divisors is an integer number (193470832).

Almost surely, 2^772215013 is an apocalyptic number.

It is an amenable number.

772215013 is a deficient number, since it is larger than the sum of its proper divisors (1668315).

772215013 is a wasteful number, since it uses less digits than its factorization.

772215013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668314.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 772215013 is about 27788.7569531276. The cubic root of 772215013 is about 917.4436805855.

The spelling of 772215013 in words is "seven hundred seventy-two million, two hundred fifteen thousand, thirteen".