76641413 has 4 divisors (see below), whose sum is σ = 77940480. Its totient is φ = 75342348.

The previous prime is 76641379. The next prime is 76641427. The reversal of 76641413 is 31414667.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 76641413 - 2²⁰ = 75592837 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 76641413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76641463) 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 3 ways as a sum of consecutive naturals, for example, 649445 + ... + 649562.

It is an arithmetic number, because the mean of its divisors is an integer number (19485120).

Almost surely, 2^76641413 is an apocalyptic number.

It is an amenable number.

76641413 is a deficient number, since it is larger than the sum of its proper divisors (1299067).

76641413 is a wasteful number, since it uses less digits than its factorization.

76641413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299066.

The product of its digits is 12096, while the sum is 32.

The square root of 76641413 is about 8754.5081529461. The cubic root of 76641413 is about 424.7706499566.

The spelling of 76641413 in words is "seventy-six million, six hundred forty-one thousand, four hundred thirteen".