76694861 has 4 divisors (see below), whose sum is σ = 77016000. Its totient is φ = 76373724.

The previous prime is 76694831. The next prime is 76694881. The reversal of 76694861 is 16849667.

It is a happy number.

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 76694861 - 2¹⁴ = 76678477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76694831) 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, 160211 + ... + 160688.

It is an arithmetic number, because the mean of its divisors is an integer number (19254000).

Almost surely, 2^76694861 is an apocalyptic number.

76694861 is the 3917-th centered decagonal number.

It is an amenable number.

76694861 is a deficient number, since it is larger than the sum of its proper divisors (321139).

76694861 is a wasteful number, since it uses less digits than its factorization.

76694861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321138.

The product of its digits is 435456, while the sum is 47.

The square root of 76694861 is about 8757.5602196045. The cubic root of 76694861 is about 424.8693688489.

The spelling of 76694861 in words is "seventy-six million, six hundred ninety-four thousand, eight hundred sixty-one".