115622730 has 48 divisors (see below), whose sum is σ = 303306120. Its totient is φ = 30557184.

The previous prime is 115622711. The next prime is 115622737. The reversal of 115622730 is 37226511.

It is a happy number.

115622730 is a `hidden beast` number, since 1 + 1 + 5 + 622 + 7 + 30 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 61732449 + 53890281 = 7857^2 + 7341^2 .

It is a junction number, because it is equal to n+sod(n) for n = 115622694 and 115622703.

It is not an unprimeable number, because it can be changed into a prime (115622737) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4486 + ... + 15854.

Almost surely, 2^115622730 is an apocalyptic number.

115622730 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 115622730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151653060).

115622730 is an abundant number, since it is smaller than the sum of its proper divisors (187683390).

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

115622730 is a wasteful number, since it uses less digits than its factorization.

115622730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11495 (or 11492 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 115622730 is about 10752.8010304292. The cubic root of 115622730 is about 487.1706019373.

The spelling of 115622730 in words is "one hundred fifteen million, six hundred twenty-two thousand, seven hundred thirty".