88742772 has 36 divisors (see below), whose sum is σ = 225634500. Its totient is φ = 29407872.

The previous prime is 88742729. The next prime is 88742777. The reversal of 88742772 is 27724788.

It can be written as a sum of positive squares in 2 ways, for example, as 73719396 + 15023376 = 8586^2 + 3876^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88742777) 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 11 ways as a sum of consecutive naturals, for example, 897 + ... + 13352.

It is an arithmetic number, because the mean of its divisors is an integer number (6267625).

Almost surely, 2^88742772 is an apocalyptic number.

It is an amenable number.

88742772 is an abundant number, since it is smaller than the sum of its proper divisors (136891728).

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

88742772 is a wasteful number, since it uses less digits than its factorization.

88742772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14432 (or 14427 counting only the distinct ones).

The product of its digits is 351232, while the sum is 45.

The square root of 88742772 is about 9420.3382104890. The cubic root of 88742772 is about 446.0439606235.

The spelling of 88742772 in words is "eighty-eight million, seven hundred forty-two thousand, seven hundred seventy-two".