1973542707790 has 16 divisors (see below), whose sum is σ = 3553700953968. Its totient is φ = 789122843136.

The previous prime is 1973542707781. The next prime is 1973542707791. The reversal of 1973542707790 is 977072453791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1973542707791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36751827 + ... + 36805486.

It is an arithmetic number, because the mean of its divisors is an integer number (222106309623).

Almost surely, 2^{1973542707790} is an apocalyptic number.

1973542707790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1973542707790 is a deficient number, since it is larger than the sum of its proper divisors (1580158246178).

1973542707790 is a wasteful number, since it uses less digits than its factorization.

1973542707790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73560003.

The product of its (nonzero) digits is 23337720, while the sum is 61.

The spelling of 1973542707790 in words is "one trillion, nine hundred seventy-three billion, five hundred forty-two million, seven hundred seven thousand, seven hundred ninety".