782720076 has 12 divisors (see below), whose sum is σ = 1826346872. Its totient is φ = 260906688.

The previous prime is 782720047. The next prime is 782720077. The reversal of 782720076 is 670027287.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×782720076² = 1225301434746891552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (782720077) 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, 32613325 + ... + 32613348.

Almost surely, 2^782720076 is an apocalyptic number.

It is an amenable number.

782720076 is an abundant number, since it is smaller than the sum of its proper divisors (1043626796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

782720076 is a wasteful number, since it uses less digits than its factorization.

782720076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65226680 (or 65226678 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 782720076 is about 27977.1348783252. The cubic root of 782720076 is about 921.5851986992.

The spelling of 782720076 in words is "seven hundred eighty-two million, seven hundred twenty thousand, seventy-six".