7681674240 has 132 divisors (see below), whose sum is σ = 26616960864. Its totient is φ = 2048434176.

The previous prime is 7681674211. The next prime is 7681674263. The reversal of 7681674240 is 424761867.

7681674240 is a `hidden beast` number, since 7 + 68 + 167 + 424 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37272 + ... + 129431.

Almost surely, 2^7681674240 is an apocalyptic number.

It is an amenable number.

7681674240 is an abundant number, since it is smaller than the sum of its proper divisors (18935286624).

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

7681674240 is a wasteful number, since it uses less digits than its factorization.

7681674240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166734 (or 166713 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 7681674240 is about 87645.1609616869. The cubic root of 7681674240 is about 1973.1130181761.

The spelling of 7681674240 in words is "seven billion, six hundred eighty-one million, six hundred seventy-four thousand, two hundred forty".