88421730 has 32 divisors (see below), whose sum is σ = 213179904. Its totient is φ = 23471616.

The previous prime is 88421713. The next prime is 88421737. The reversal of 88421730 is 3712488.

It is a junction number, because it is equal to n+sod(n) for n = 88421691 and 88421700.

It is not an unprimeable number, because it can be changed into a prime (88421737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82 + ... + 13298.

It is an arithmetic number, because the mean of its divisors is an integer number (6661872).

Almost surely, 2^88421730 is an apocalyptic number.

88421730 is an abundant number, since it is smaller than the sum of its proper divisors (124758174).

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

88421730 is a wasteful number, since it uses less digits than its factorization.

88421730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13450.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 88421730 is about 9403.2829373576. The cubic root of 88421730 is about 445.5054308485.

The spelling of 88421730 in words is "eighty-eight million, four hundred twenty-one thousand, seven hundred thirty".