1726749242 has 8 divisors (see below), whose sum is σ = 2702738016. Its totient is φ = 825836572.

The previous prime is 1726749239. The next prime is 1726749247. The reversal of 1726749242 is 2429476271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1726749193 and 1726749202.

It is not an unprimeable number, because it can be changed into a prime (1726749247) 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, 18768968 + ... + 18769059.

It is an arithmetic number, because the mean of its divisors is an integer number (337842252).

Almost surely, 2^1726749242 is an apocalyptic number.

1726749242 is a deficient number, since it is larger than the sum of its proper divisors (975988774).

1726749242 is a wasteful number, since it uses less digits than its factorization.

1726749242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37538052.

The product of its digits is 338688, while the sum is 44.

The square root of 1726749242 is about 41554.1723777529. The cubic root of 1726749242 is about 1199.7104028020.

The spelling of 1726749242 in words is "one billion, seven hundred twenty-six million, seven hundred forty-nine thousand, two hundred forty-two".