76553940 has 24 divisors (see below), whose sum is σ = 214351200. Its totient is φ = 20414368.

The previous prime is 76553933. The next prime is 76553947. The reversal of 76553940 is 4935567.

It is an interprime number because it is at equal distance from previous prime (76553933) and next prime (76553947).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76553947) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 637890 + ... + 638009.

It is an arithmetic number, because the mean of its divisors is an integer number (8931300).

Almost surely, 2^76553940 is an apocalyptic number.

It is an amenable number.

76553940 is an abundant number, since it is smaller than the sum of its proper divisors (137797260).

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

76553940 is a wasteful number, since it uses less digits than its factorization.

76553940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275911 (or 1275909 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 76553940 is about 8749.5108434701. The cubic root of 76553940 is about 424.6089875416.

The spelling of 76553940 in words is "seventy-six million, five hundred fifty-three thousand, nine hundred forty".