147271730 has 16 divisors (see below), whose sum is σ = 265529880. Its totient is φ = 58810752.

The previous prime is 147271723. The next prime is 147271763. The reversal of 147271730 is 37172741.

It can be written as a sum of positive squares in 4 ways, for example, as 97555129 + 49716601 = 9877^2 + 7051^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5765 + ... + 18104.

Almost surely, 2^147271730 is an apocalyptic number.

147271730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147271730 is a deficient number, since it is larger than the sum of its proper divisors (118258150).

147271730 is a wasteful number, since it uses less digits than its factorization.

147271730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24493.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 147271730 is about 12135.5564355327. The cubic root of 147271730 is about 528.0881993194.

The spelling of 147271730 in words is "one hundred forty-seven million, two hundred seventy-one thousand, seven hundred thirty".