76606440 has 64 divisors (see below), whose sum is σ = 231154560. Its totient is φ = 20309760.

The previous prime is 76606433. The next prime is 76606441. The reversal of 76606440 is 4460667.

It is not an unprimeable number, because it can be changed into a prime (76606441) 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, 19957 + ... + 23483.

It is an arithmetic number, because the mean of its divisors is an integer number (3611790).

Almost surely, 2^76606440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76606440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115577280).

76606440 is an abundant number, since it is smaller than the sum of its proper divisors (154548120).

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

76606440 is a wasteful number, since it uses less digits than its factorization.

76606440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3722 (or 3718 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 76606440 is about 8752.5104969946. The cubic root of 76606440 is about 424.7060296965.

The spelling of 76606440 in words is "seventy-six million, six hundred six thousand, four hundred forty".