76140140 has 24 divisors (see below), whose sum is σ = 162283632. Its totient is φ = 30000960.

The previous prime is 76140107. The next prime is 76140151. The reversal of 76140140 is 4104167.

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 7 ways as a sum of consecutive naturals, for example, 27071 + ... + 29750.

It is an arithmetic number, because the mean of its divisors is an integer number (6761818).

Almost surely, 2^76140140 is an apocalyptic number.

It is an amenable number.

76140140 is an abundant number, since it is smaller than the sum of its proper divisors (86143492).

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

76140140 is a wasteful number, since it uses less digits than its factorization.

76140140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56897 (or 56895 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 76140140 is about 8725.8317655110. The cubic root of 76140140 is about 423.8425530876.

The spelling of 76140140 in words is "seventy-six million, one hundred forty thousand, one hundred forty".