772194461 has 4 divisors (see below), whose sum is σ = 773147424. Its totient is φ = 771241500.

The previous prime is 772194439. The next prime is 772194487. The reversal of 772194461 is 164491277.

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 772194461 - 2¹⁰ = 772193437 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 (772194431) 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, 475265 + ... + 476886.

It is an arithmetic number, because the mean of its divisors is an integer number (193286856).

Almost surely, 2^772194461 is an apocalyptic number.

It is an amenable number.

772194461 is a deficient number, since it is larger than the sum of its proper divisors (952963).

772194461 is an equidigital number, since it uses as much as digits as its factorization.

772194461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952962.

The product of its digits is 84672, while the sum is 41.

The square root of 772194461 is about 27788.3871608267. The cubic root of 772194461 is about 917.4355414578.

The spelling of 772194461 in words is "seven hundred seventy-two million, one hundred ninety-four thousand, four hundred sixty-one".