1973274684720 has 80 divisors (see below), whose sum is σ = 6247303718400. Its totient is φ = 515010694912.

The previous prime is 1973274684691. The next prime is 1973274684737. The reversal of 1973274684720 is 274864723791.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87456570 + ... + 87479129.

It is an arithmetic number, because the mean of its divisors is an integer number (78091296480).

Almost surely, 2^{1973274684720} is an apocalyptic number.

1973274684720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1973274684720 is an abundant number, since it is smaller than the sum of its proper divisors (4274029033680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1973274684720 is a wasteful number, since it uses less digits than its factorization.

1973274684720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174935762 (or 174935756 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 60.

The spelling of 1973274684720 in words is "one trillion, nine hundred seventy-three billion, two hundred seventy-four million, six hundred eighty-four thousand, seven hundred twenty".