76752730 has 8 divisors (see below), whose sum is σ = 138154932. Its totient is φ = 30701088.

The previous prime is 76752719. The next prime is 76752737. The reversal of 76752730 is 3725767.

It can be written as a sum of positive squares in 2 ways, for example, as 75116889 + 1635841 = 8667^2 + 1279^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 76752730.

It is not an unprimeable number, because it can be changed into a prime (76752737) 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 3 ways as a sum of consecutive naturals, for example, 3837627 + ... + 3837646.

Almost surely, 2^76752730 is an apocalyptic number.

76752730 is a deficient number, since it is larger than the sum of its proper divisors (61402202).

76752730 is a wasteful number, since it uses less digits than its factorization.

76752730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7675280.

The product of its (nonzero) digits is 61740, while the sum is 37.

The square root of 76752730 is about 8760.8635419118. The cubic root of 76752730 is about 424.9762016663.

The spelling of 76752730 in words is "seventy-six million, seven hundred fifty-two thousand, seven hundred thirty".