130473730 has 32 divisors (see below), whose sum is σ = 244984320. Its totient is φ = 49973760.

The previous prime is 130473727. The next prime is 130473743. The reversal of 130473730 is 37374031.

It is a super-2 number, since 2×130473730² = 34046788440225800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27901 + ... + 32239.

It is an arithmetic number, because the mean of its divisors is an integer number (7655760).

Almost surely, 2^130473730 is an apocalyptic number.

130473730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130473730 is a deficient number, since it is larger than the sum of its proper divisors (114510590).

130473730 is a wasteful number, since it uses less digits than its factorization.

130473730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4474.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 130473730 is about 11422.5097942615. The cubic root of 130473730 is about 507.1942944399.

The spelling of 130473730 in words is "one hundred thirty million, four hundred seventy-three thousand, seven hundred thirty".