1973928071 has 8 divisors (see below), whose sum is σ = 2004152304. Its totient is φ = 1943726400.

The previous prime is 1973928053. The next prime is 1973928079. The reversal of 1973928071 is 1708293791.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1973928071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1973928079) 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, 277961 + ... + 284973.

It is an arithmetic number, because the mean of its divisors is an integer number (250519038).

Almost surely, 2^1973928071 is an apocalyptic number.

1973928071 is a deficient number, since it is larger than the sum of its proper divisors (30224233).

1973928071 is an equidigital number, since it uses as much as digits as its factorization.

1973928071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11281.

The product of its (nonzero) digits is 190512, while the sum is 47.

The square root of 1973928071 is about 44428.9103062409. The cubic root of 1973928071 is about 1254.4223244664.

The spelling of 1973928071 in words is "one billion, nine hundred seventy-three million, nine hundred twenty-eight thousand, seventy-one".