147298729 has 4 divisors (see below), whose sum is σ = 147687760. Its totient is φ = 146909700.

The previous prime is 147298709. The next prime is 147298733. The reversal of 147298729 is 927892741.

147298729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 927892741 = 577 ⋅1608133.

It is a cyclic number.

It is not a de Polignac number, because 147298729 - 2¹³ = 147290537 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147298709) 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, 193947 + ... + 194704.

It is an arithmetic number, because the mean of its divisors is an integer number (36921940).

Almost surely, 2^147298729 is an apocalyptic number.

It is an amenable number.

147298729 is a deficient number, since it is larger than the sum of its proper divisors (389031).

147298729 is an equidigital number, since it uses as much as digits as its factorization.

147298729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389030.

The product of its digits is 508032, while the sum is 49.

The square root of 147298729 is about 12136.6687768926. The cubic root of 147298729 is about 528.1204684274.

The spelling of 147298729 in words is "one hundred forty-seven million, two hundred ninety-eight thousand, seven hundred twenty-nine".