76440620 has 12 divisors (see below), whose sum is σ = 160525344. Its totient is φ = 30576240.

The previous prime is 76440601. The next prime is 76440647. The reversal of 76440620 is 2604467.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1910996 + ... + 1911035.

It is an arithmetic number, because the mean of its divisors is an integer number (13377112).

Almost surely, 2^76440620 is an apocalyptic number.

It is an amenable number.

76440620 is an abundant number, since it is smaller than the sum of its proper divisors (84084724).

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

76440620 is a wasteful number, since it uses less digits than its factorization.

76440620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3822040 (or 3822038 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 76440620 is about 8743.0326546342. The cubic root of 76440620 is about 424.3993730231.

The spelling of 76440620 in words is "seventy-six million, four hundred forty thousand, six hundred twenty".