772213541 has 8 divisors (see below), whose sum is σ = 845942400. Its totient is φ = 699072640.

The previous prime is 772213531. The next prime is 772213549. The reversal of 772213541 is 145312277.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 772213541 - 2²⁶ = 705104677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 772213498 and 772213507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772213549) 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 7 ways as a sum of consecutive naturals, for example, 144236 + ... + 149493.

It is an arithmetic number, because the mean of its divisors is an integer number (105742800).

Almost surely, 2^772213541 is an apocalyptic number.

It is an amenable number.

772213541 is a deficient number, since it is larger than the sum of its proper divisors (73728859).

772213541 is a wasteful number, since it uses less digits than its factorization.

772213541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293979.

The product of its digits is 11760, while the sum is 32.

The square root of 772213541 is about 27788.7304675834. The cubic root of 772213541 is about 917.4430976399.

The spelling of 772213541 in words is "seven hundred seventy-two million, two hundred thirteen thousand, five hundred forty-one".