1729738152 has 48 divisors (see below), whose sum is σ = 4858220640. Its totient is φ = 576578736.

The previous prime is 1729738111. The next prime is 1729738163. The reversal of 1729738152 is 2518379271.

It is a junction number, because it is equal to n+sod(n) for n = 1729738098 and 1729738107.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442948 + ... + 446835.

It is an arithmetic number, because the mean of its divisors is an integer number (101212930).

Almost surely, 2^1729738152 is an apocalyptic number.

1729738152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1729738152 is an abundant number, since it is smaller than the sum of its proper divisors (3128482488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1729738152 is an equidigital number, since it uses as much as digits as its factorization.

1729738152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889804 (or 889788 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 1729738152 is about 41590.1208461817. The cubic root of 1729738152 is about 1200.4022151707.

The spelling of 1729738152 in words is "one billion, seven hundred twenty-nine million, seven hundred thirty-eight thousand, one hundred fifty-two".