2072173701542 has 8 divisors (see below), whose sum is σ = 3552297774096. Its totient is φ = 888074443512.

The previous prime is 2072173701491. The next prime is 2072173701551. The reversal of 2072173701542 is 2451073712702.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2072173701542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74006203613 + ... + 74006203640.

It is an arithmetic number, because the mean of its divisors is an integer number (444037221762).

Almost surely, 2^{2072173701542} is an apocalyptic number.

2072173701542 is a deficient number, since it is larger than the sum of its proper divisors (1480124072554).

2072173701542 is a wasteful number, since it uses less digits than its factorization.

2072173701542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148012407262.

The product of its (nonzero) digits is 164640, while the sum is 41.

The spelling of 2072173701542 in words is "two trillion, seventy-two billion, one hundred seventy-three million, seven hundred one thousand, five hundred forty-two".