76672140 has 48 divisors (see below), whose sum is σ = 220490592. Its totient is φ = 19892736.

The previous prime is 76672129. The next prime is 76672147. The reversal of 76672140 is 4127667.

It is not an unprimeable number, because it can be changed into a prime (76672147) 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, 15049 + ... + 19488.

It is an arithmetic number, because the mean of its divisors is an integer number (4593554).

Almost surely, 2^76672140 is an apocalyptic number.

It is an amenable number.

76672140 is an abundant number, since it is smaller than the sum of its proper divisors (143818452).

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

76672140 is a wasteful number, since it uses less digits than its factorization.

76672140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34586 (or 34584 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 76672140 is about 8756.2629014894. The cubic root of 76672140 is about 424.8274085826.

The spelling of 76672140 in words is "seventy-six million, six hundred seventy-two thousand, one hundred forty".