772285541 has 4 divisors (see below), whose sum is σ = 772360332. Its totient is φ = 772210752.

The previous prime is 772285519. The next prime is 772285543. The reversal of 772285541 is 145582277.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 140517316 + 631768225 = 11854^2 + 25135^2 .

It is a cyclic number.

It is not a de Polignac number, because 772285541 - 2⁶ = 772285477 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 (772285543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18836 + ... + 43581.

It is an arithmetic number, because the mean of its divisors is an integer number (193090083).

Almost surely, 2^772285541 is an apocalyptic number.

It is an amenable number.

772285541 is a deficient number, since it is larger than the sum of its proper divisors (74791).

772285541 is a wasteful number, since it uses less digits than its factorization.

772285541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74790.

The product of its digits is 156800, while the sum is 41.

The square root of 772285541 is about 27790.0259265802. The cubic root of 772285541 is about 917.4716104138.

The spelling of 772285541 in words is "seven hundred seventy-two million, two hundred eighty-five thousand, five hundred forty-one".