76680672 has 24 divisors (see below), whose sum is σ = 201287016. Its totient is φ = 25560192.

The previous prime is 76680661. The next prime is 76680679. The reversal of 76680672 is 27608667.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76680679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399283 + ... + 399474.

It is an arithmetic number, because the mean of its divisors is an integer number (8386959).

Almost surely, 2^76680672 is an apocalyptic number.

It is an amenable number.

76680672 is an abundant number, since it is smaller than the sum of its proper divisors (124606344).

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

76680672 is a wasteful number, since it uses less digits than its factorization.

76680672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798770 (or 798762 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 76680672 is about 8756.7500820795. The cubic root of 76680672 is about 424.8431661229.

The spelling of 76680672 in words is "seventy-six million, six hundred eighty thousand, six hundred seventy-two".