772336541 has 4 divisors (see below), whose sum is σ = 777974172. Its totient is φ = 766698912.

The previous prime is 772336531. The next prime is 772336603. The reversal of 772336541 is 145633277.

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

It can be written as a sum of positive squares in 2 ways, for example, as 459930916 + 312405625 = 21446^2 + 17675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-772336541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 772336495 and 772336504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772336501) 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, 2818610 + ... + 2818883.

It is an arithmetic number, because the mean of its divisors is an integer number (194493543).

Almost surely, 2^772336541 is an apocalyptic number.

It is an amenable number.

772336541 is a deficient number, since it is larger than the sum of its proper divisors (5637631).

772336541 is a wasteful number, since it uses less digits than its factorization.

772336541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5637630.

The product of its digits is 105840, while the sum is 38.

The square root of 772336541 is about 27790.9435068333. The cubic root of 772336541 is about 917.4918058897.

The spelling of 772336541 in words is "seven hundred seventy-two million, three hundred thirty-six thousand, five hundred forty-one".