147729730 has 16 divisors (see below), whose sum is σ = 266929344. Its totient is φ = 58866160.

The previous prime is 147729649. The next prime is 147729733. The reversal of 147729730 is 37927741.

It is not an unprimeable number, because it can be changed into a prime (147729733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25456 + ... + 30715.

It is an arithmetic number, because the mean of its divisors is an integer number (16683084).

Almost surely, 2^147729730 is an apocalyptic number.

147729730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147729730 is a deficient number, since it is larger than the sum of its proper divisors (119199614).

147729730 is a wasteful number, since it uses less digits than its factorization.

147729730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56441.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 147729730 is about 12154.4119561581. The cubic root of 147729730 is about 528.6350662188.

The spelling of 147729730 in words is "one hundred forty-seven million, seven hundred twenty-nine thousand, seven hundred thirty".