115724390 has 16 divisors (see below), whose sum is σ = 208426608. Its totient is φ = 46262496.

The previous prime is 115724359. The next prime is 115724407. The reversal of 115724390 is 93427511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30224 + ... + 33836.

It is an arithmetic number, because the mean of its divisors is an integer number (13026663).

Almost surely, 2^115724390 is an apocalyptic number.

115724390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115724390 is a deficient number, since it is larger than the sum of its proper divisors (92702218).

115724390 is a wasteful number, since it uses less digits than its factorization.

115724390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6823.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 115724390 is about 10757.5271321991. The cubic root of 115724390 is about 487.3133398905.

The spelling of 115724390 in words is "one hundred fifteen million, seven hundred twenty-four thousand, three hundred ninety".