782749065 has 16 divisors (see below), whose sum is σ = 1431312768. Its totient is φ = 357828096.

The previous prime is 782749057. The next prime is 782749073. The reversal of 782749065 is 560947287.

It is an interprime number because it is at equal distance from previous prime (782749057) and next prime (782749073).

It is not a de Polignac number, because 782749065 - 2³ = 782749057 is a prime.

It is a super-2 number, since 2×782749065² = 1225392197516748450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3727272 + ... + 3727481.

It is an arithmetic number, because the mean of its divisors is an integer number (89457048).

Almost surely, 2^782749065 is an apocalyptic number.

It is an amenable number.

782749065 is a deficient number, since it is larger than the sum of its proper divisors (648563703).

782749065 is a wasteful number, since it uses less digits than its factorization.

782749065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7454768.

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 782749065 is about 27977.6529573158. The cubic root of 782749065 is about 921.5965759056.

The spelling of 782749065 in words is "seven hundred eighty-two million, seven hundred forty-nine thousand, sixty-five".