76645536 has 96 divisors (see below), whose sum is σ = 221247936. Its totient is φ = 23040000.

The previous prime is 76645531. The next prime is 76645559. The reversal of 76645536 is 63554667.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (76645531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190936 + ... + 191336.

It is an arithmetic number, because the mean of its divisors is an integer number (2304666).

Almost surely, 2^76645536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76645536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110623968).

76645536 is an abundant number, since it is smaller than the sum of its proper divisors (144602400).

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

76645536 is a wasteful number, since it uses less digits than its factorization.

76645536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606 (or 598 counting only the distinct ones).

The product of its digits is 453600, while the sum is 42.

The square root of 76645536 is about 8754.7436284565. The cubic root of 76645536 is about 424.7782668046.

The spelling of 76645536 in words is "seventy-six million, six hundred forty-five thousand, five hundred thirty-six".