76690641 has 8 divisors (see below), whose sum is σ = 102319360. Its totient is φ = 51094512.

The previous prime is 76690637. The next prime is 76690643. The reversal of 76690641 is 14609667.

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

It is not a de Polignac number, because 76690641 - 2² = 76690637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76690641.

It is not an unprimeable number, because it can be changed into a prime (76690643) by changing a digit.

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, 1990 + ... + 12543.

It is an arithmetic number, because the mean of its divisors is an integer number (12789920).

Almost surely, 2^76690641 is an apocalyptic number.

It is an amenable number.

76690641 is a deficient number, since it is larger than the sum of its proper divisors (25628719).

76690641 is a wasteful number, since it uses less digits than its factorization.

76690641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16295.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 76690641 is about 8757.3192816067. The cubic root of 76690641 is about 424.8615761424.

The spelling of 76690641 in words is "seventy-six million, six hundred ninety thousand, six hundred forty-one".