2170747042 has 32 divisors (see below), whose sum is σ = 3355672320. Its totient is φ = 1052835840.

The previous prime is 2170747039. The next prime is 2170747081. The reversal of 2170747042 is 2407470712.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2170746989 and 2170747007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2822434 + ... + 2823202.

It is an arithmetic number, because the mean of its divisors is an integer number (104864760).

Almost surely, 2^2170747042 is an apocalyptic number.

2170747042 is a deficient number, since it is larger than the sum of its proper divisors (1184925278).

2170747042 is a wasteful number, since it uses less digits than its factorization.

2170747042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138.

The product of its (nonzero) digits is 21952, while the sum is 34.

The square root of 2170747042 is about 46591.2764581525. The cubic root of 2170747042 is about 1294.8011385981.

The spelling of 2170747042 in words is "two billion, one hundred seventy million, seven hundred forty-seven thousand, forty-two".