76724385 has 8 divisors (see below), whose sum is σ = 122759040. Its totient is φ = 40919664.

The previous prime is 76724377. The next prime is 76724399. The reversal of 76724385 is 58342767.

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

It is not a de Polignac number, because 76724385 - 2³ = 76724377 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 2557465 + ... + 2557494.

It is an arithmetic number, because the mean of its divisors is an integer number (15344880).

Almost surely, 2^76724385 is an apocalyptic number.

It is an amenable number.

76724385 is a deficient number, since it is larger than the sum of its proper divisors (46034655).

76724385 is a wasteful number, since it uses less digits than its factorization.

76724385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5114967.

The product of its digits is 282240, while the sum is 42.

The square root of 76724385 is about 8759.2456867016. The cubic root of 76724385 is about 424.9238802543.

It can be divided in two parts, 767 and 24385, that added together give a palindrome (25152).

The spelling of 76724385 in words is "seventy-six million, seven hundred twenty-four thousand, three hundred eighty-five".