100730490 has 64 divisors (see below), whose sum is σ = 277254144. Its totient is φ = 22943808.

The previous prime is 100730479. The next prime is 100730507. The reversal of 100730490 is 94037001.

It is a self number, because there is not a number n which added to its sum of digits gives 100730490.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76417 + ... + 77723.

It is an arithmetic number, because the mean of its divisors is an integer number (4332096).

Almost surely, 2^100730490 is an apocalyptic number.

100730490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100730490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138627072).

100730490 is an abundant number, since it is smaller than the sum of its proper divisors (176523654).

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

100730490 is a wasteful number, since it uses less digits than its factorization.

100730490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 100730490 is about 10036.4580405639. The cubic root of 100730490 is about 465.2863538576.

Adding to 100730490 its reverse (94037001), we get a palindrome (194767491).

The spelling of 100730490 in words is "one hundred million, seven hundred thirty thousand, four hundred ninety".