772412131 has 4 divisors (see below), whose sum is σ = 776073064. Its totient is φ = 768751200.

The previous prime is 772412117. The next prime is 772412171. The reversal of 772412131 is 131214277.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 772412131 - 2¹¹ = 772410083 is a prime.

It is a super-2 number, since 2×772412131² = 1193241000231922322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 772412131.

It is not an unprimeable number, because it can be changed into a prime (772412101) 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, 1830150 + ... + 1830571.

It is an arithmetic number, because the mean of its divisors is an integer number (194018266).

Almost surely, 2^772412131 is an apocalyptic number.

772412131 is a deficient number, since it is larger than the sum of its proper divisors (3660933).

772412131 is a wasteful number, since it uses less digits than its factorization.

772412131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660932.

The product of its digits is 2352, while the sum is 28.

The square root of 772412131 is about 27792.3034489767. The cubic root of 772412131 is about 917.5217371176.

The spelling of 772412131 in words is "seven hundred seventy-two million, four hundred twelve thousand, one hundred thirty-one".