76122140 has 36 divisors (see below), whose sum is σ = 163424856. Its totient is φ = 29783712.

The previous prime is 76122139. The next prime is 76122181. The reversal of 76122140 is 4122167.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43319 + ... + 45041.

Almost surely, 2^76122140 is an apocalyptic number.

It is an amenable number.

76122140 is an abundant number, since it is smaller than the sum of its proper divisors (87302716).

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

76122140 is a wasteful number, since it uses less digits than its factorization.

76122140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826 (or 1777 counting only the distinct ones).

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

The square root of 76122140 is about 8724.8002842472. The cubic root of 76122140 is about 423.8091507883.

The spelling of 76122140 in words is "seventy-six million, one hundred twenty-two thousand, one hundred forty".