76144730 has 16 divisors (see below), whose sum is σ = 137182464. Its totient is φ = 30430800.

The previous prime is 76144727. The next prime is 76144741. The reversal of 76144730 is 3744167.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 11555 + ... + 16905.

It is an arithmetic number, because the mean of its divisors is an integer number (8573904).

Almost surely, 2^76144730 is an apocalyptic number.

76144730 is a deficient number, since it is larger than the sum of its proper divisors (61037734).

76144730 is a wasteful number, since it uses less digits than its factorization.

76144730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6781.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 76144730 is about 8726.0947737232. The cubic root of 76144730 is about 423.8510698315.

Adding to 76144730 its reverse (3744167), we get a palindrome (79888897).

The spelling of 76144730 in words is "seventy-six million, one hundred forty-four thousand, seven hundred thirty".