76065990 has 256 divisors, whose sum is σ = 261273600. Its totient is φ = 13639680.

The previous prime is 76065989. The next prime is 76066021. The reversal of 76065990 is 9956067.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 510436 + ... + 510584.

It is an arithmetic number, because the mean of its divisors is an integer number (1020600).

Almost surely, 2^76065990 is an apocalyptic number.

76065990 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 76065990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130636800).

76065990 is an abundant number, since it is smaller than the sum of its proper divisors (185207610).

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

76065990 is a wasteful number, since it uses less digits than its factorization.

76065990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207.

The product of its (nonzero) digits is 102060, while the sum is 42.

The square root of 76065990 is about 8721.5818519349. The cubic root of 76065990 is about 423.7049203269.

The spelling of 76065990 in words is "seventy-six million, sixty-five thousand, nine hundred ninety".