88190740 has 96 divisors (see below), whose sum is σ = 218453760. Its totient is φ = 29568000.

The previous prime is 88190731. The next prime is 88190741. The reversal of 88190740 is 4709188.

It is a self number, because there is not a number n which added to its sum of digits gives 88190740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88190741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146440 + ... + 147040.

It is an arithmetic number, because the mean of its divisors is an integer number (2275560).

Almost surely, 2^88190740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88190740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109226880).

88190740 is an abundant number, since it is smaller than the sum of its proper divisors (130263020).

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

88190740 is a wasteful number, since it uses less digits than its factorization.

88190740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 88190740 is about 9390.9924928093. The cubic root of 88190740 is about 445.1171513298.

The spelling of 88190740 in words is "eighty-eight million, one hundred ninety thousand, seven hundred forty".