130724722 has 8 divisors (see below), whose sum is σ = 196137216. Its totient is φ = 65345652.

The previous prime is 130724701. The next prime is 130724729. The reversal of 130724722 is 227427031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (130724729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7263 + ... + 17725.

It is an arithmetic number, because the mean of its divisors is an integer number (24517152).

Almost surely, 2^130724722 is an apocalyptic number.

130724722 is a deficient number, since it is larger than the sum of its proper divisors (65412494).

130724722 is a wasteful number, since it uses less digits than its factorization.

130724722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16712.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 130724722 is about 11433.4912428357. The cubic root of 130724722 is about 507.5193155954.

The spelling of 130724722 in words is "one hundred thirty million, seven hundred twenty-four thousand, seven hundred twenty-two".