1742147242 has 32 divisors (see below), whose sum is σ = 2877202944. Its totient is φ = 784585200.

The previous prime is 1742147237. The next prime is 1742147243. The reversal of 1742147242 is 2427412471.

It is a junction number, because it is equal to n+sod(n) for n = 1742147198 and 1742147207.

It is not an unprimeable number, because it can be changed into a prime (1742147243) 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, 1220133 + ... + 1221559.

It is an arithmetic number, because the mean of its divisors is an integer number (89912592).

Almost surely, 2^1742147242 is an apocalyptic number.

1742147242 is a deficient number, since it is larger than the sum of its proper divisors (1135055702).

1742147242 is a wasteful number, since it uses less digits than its factorization.

1742147242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914.

The product of its digits is 25088, while the sum is 34.

The square root of 1742147242 is about 41739.0373870793. The cubic root of 1742147242 is about 1203.2659279024.

The spelling of 1742147242 in words is "one billion, seven hundred forty-two million, one hundred forty-seven thousand, two hundred forty-two".