88442730 has 24 divisors (see below), whose sum is σ = 229951332. Its totient is φ = 23584704.

The previous prime is 88442693. The next prime is 88442737. The reversal of 88442730 is 3724488.

It can be written as a sum of positive squares in 2 ways, for example, as 88003161 + 439569 = 9381^2 + 663^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (88442737) 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, 491259 + ... + 491438.

Almost surely, 2^88442730 is an apocalyptic number.

88442730 is an abundant number, since it is smaller than the sum of its proper divisors (141508602).

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

88442730 is a wasteful number, since it uses less digits than its factorization.

88442730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982710 (or 982707 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 88442730 is about 9404.3995023606. The cubic root of 88442730 is about 445.5406969665.

The spelling of 88442730 in words is "eighty-eight million, four hundred forty-two thousand, seven hundred thirty".