147724863 has 16 divisors (see below), whose sum is σ = 231401856. Its totient is φ = 82643040.

The previous prime is 147724813. The next prime is 147724877. The reversal of 147724863 is 368427741.

It is not a de Polignac number, because 147724863 - 2⁶ = 147724799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147724813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171745 + ... + 172602.

It is an arithmetic number, because the mean of its divisors is an integer number (14462616).

Almost surely, 2^147724863 is an apocalyptic number.

147724863 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

147724863 is a deficient number, since it is larger than the sum of its proper divisors (83676993).

147724863 is a wasteful number, since it uses less digits than its factorization.

147724863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344374.

The product of its digits is 225792, while the sum is 42.

The square root of 147724863 is about 12154.2117391462. The cubic root of 147724863 is about 528.6292608085.

The spelling of 147724863 in words is "one hundred forty-seven million, seven hundred twenty-four thousand, eight hundred sixty-three".