76601813 has 8 divisors (see below), whose sum is σ = 81267480. Its totient is φ = 71953920.

The previous prime is 76601807. The next prime is 76601839. The reversal of 76601813 is 31810667.

It can be written as a sum of positive squares in 4 ways, for example, as 5654884 + 70946929 = 2378^2 + 8423^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 76601813 - 2¹⁴ = 76585429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76601813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76601843) 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 7 ways as a sum of consecutive naturals, for example, 5033 + ... + 13361.

It is an arithmetic number, because the mean of its divisors is an integer number (10158435).

Almost surely, 2^76601813 is an apocalyptic number.

It is an amenable number.

76601813 is a deficient number, since it is larger than the sum of its proper divisors (4665667).

76601813 is a wasteful number, since it uses less digits than its factorization.

76601813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8887.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 76601813 is about 8752.2461688415. The cubic root of 76601813 is about 424.6974788298.

The spelling of 76601813 in words is "seventy-six million, six hundred one thousand, eight hundred thirteen".