76320690 has 32 divisors (see below), whose sum is σ = 183465216. Its totient is φ = 20319360.

The previous prime is 76320661. The next prime is 76320691. The reversal of 76320690 is 9602367.

It is a super-3 number, since 3×76320690³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (76320691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21159 + ... + 24501.

It is an arithmetic number, because the mean of its divisors is an integer number (5733288).

Almost surely, 2^76320690 is an apocalyptic number.

76320690 is an abundant number, since it is smaller than the sum of its proper divisors (107144526).

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

76320690 is a wasteful number, since it uses less digits than its factorization.

76320690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4114.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 76320690 is about 8736.1713582095. The cubic root of 76320690 is about 424.1773058438.

The spelling of 76320690 in words is "seventy-six million, three hundred twenty thousand, six hundred ninety".