766794280 has 64 divisors (see below), whose sum is σ = 1984429440. Its totient is φ = 261211392.

The previous prime is 766794271. The next prime is 766794289. The reversal of 766794280 is 82497667.

It is an interprime number because it is at equal distance from previous prime (766794271) and next prime (766794289).

It is not an unprimeable number, because it can be changed into a prime (766794289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35239 + ... + 52681.

It is an arithmetic number, because the mean of its divisors is an integer number (31006710).

Almost surely, 2^766794280 is an apocalyptic number.

766794280 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 766794280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (992214720).

766794280 is an abundant number, since it is smaller than the sum of its proper divisors (1217635160).

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

766794280 is a wasteful number, since it uses less digits than its factorization.

766794280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17618 (or 17614 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 766794280 is about 27691.0505398405. The cubic root of 766794280 is about 915.2919052335.

The spelling of 766794280 in words is "seven hundred sixty-six million, seven hundred ninety-four thousand, two hundred eighty".