376640766 has 36 divisors (see below), whose sum is σ = 847428192. Its totient is φ = 125542548.

The previous prime is 376640753. The next prime is 376640767. The reversal of 376640766 is 667046673.

It is a super-2 number, since 2×376640766² = 283716533226133512, which contains 22 as substring.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (376640767) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 1230 + ... + 27473.

It is an arithmetic number, because the mean of its divisors is an integer number (23539672).

Almost surely, 2^376640766 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 376640766, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423714096).

376640766 is an abundant number, since it is smaller than the sum of its proper divisors (470787426).

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

376640766 is an frugal number, since it uses more digits than its factorization.

376640766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28729 (or 28708 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The square root of 376640766 is about 19407.2348880514. The cubic root of 376640766 is about 722.1749856583.

The spelling of 376640766 in words is "three hundred seventy-six million, six hundred forty thousand, seven hundred sixty-six".