76569696 has 144 divisors (see below), whose sum is σ = 262080000. Its totient is φ = 20715264.

The previous prime is 76569643. The next prime is 76569709. The reversal of 76569696 is 69696567.

76569696 is a `hidden beast` number, since 76 + 569 + 6 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37305 + ... + 39303.

It is an arithmetic number, because the mean of its divisors is an integer number (1820000).

Almost surely, 2^76569696 is an apocalyptic number.

76569696 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76569696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131040000).

76569696 is an abundant number, since it is smaller than the sum of its proper divisors (185510304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76569696 is a wasteful number, since it uses less digits than its factorization.

76569696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041 (or 2030 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The square root of 76569696 is about 8750.4111903384. The cubic root of 76569696 is about 424.6381159369.

The spelling of 76569696 in words is "seventy-six million, five hundred sixty-nine thousand, six hundred ninety-six".