76730566240 has 48 divisors (see below), whose sum is σ = 191939261472. Its totient is φ = 28886800384.

The previous prime is 76730566229. The next prime is 76730566247. The reversal of 76730566240 is 4266503767.

It is a super-2 number, since 2×76730566240² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76730566247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14102164 + ... + 14107603.

It is an arithmetic number, because the mean of its divisors is an integer number (3998734614).

Almost surely, 2^76730566240 is an apocalyptic number.

It is an amenable number.

76730566240 is an abundant number, since it is smaller than the sum of its proper divisors (115208695232).

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

76730566240 is a wasteful number, since it uses less digits than its factorization.

76730566240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28209799 (or 28209791 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 46.

The spelling of 76730566240 in words is "seventy-six billion, seven hundred thirty million, five hundred sixty-six thousand, two hundred forty".