75887772 has 12 divisors (see below), whose sum is σ = 177071496. Its totient is φ = 25295920.

The previous prime is 75887771. The next prime is 75887797. The reversal of 75887772 is 27778857.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75887771) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3161979 + ... + 3162002.

It is an arithmetic number, because the mean of its divisors is an integer number (14755958).

Almost surely, 2^75887772 is an apocalyptic number.

It is an amenable number.

75887772 is an abundant number, since it is smaller than the sum of its proper divisors (101183724).

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

75887772 is a wasteful number, since it uses less digits than its factorization.

75887772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6323988 (or 6323986 counting only the distinct ones).

The product of its digits is 1536640, while the sum is 51.

The square root of 75887772 is about 8711.3587918304. The cubic root of 75887772 is about 423.3737565852.

The spelling of 75887772 in words is "seventy-five million, eight hundred eighty-seven thousand, seven hundred seventy-two".