782066945 has 8 divisors (see below), whose sum is σ = 1023796800. Its totient is φ = 568775920.

The previous prime is 782066939. The next prime is 782067001. The reversal of 782066945 is 549660287.

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

It is not a de Polignac number, because 782066945 - 2⁸ = 782066689 is a prime.

It is a super-2 number, since 2×782066945² = 1223257412923266050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 782066945.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7109645 + ... + 7109754.

It is an arithmetic number, because the mean of its divisors is an integer number (127974600).

Almost surely, 2^782066945 is an apocalyptic number.

It is an amenable number.

782066945 is a deficient number, since it is larger than the sum of its proper divisors (241729855).

782066945 is a wasteful number, since it uses less digits than its factorization.

782066945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14219415.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 782066945 is about 27965.4598567590. The cubic root of 782066945 is about 921.3287922780.

The spelling of 782066945 in words is "seven hundred eighty-two million, sixty-six thousand, nine hundred forty-five".