1973137970 has 32 divisors (see below), whose sum is σ = 3608409600. Its totient is φ = 776707776.

The previous prime is 1973137939. The next prime is 1973137987. The reversal of 1973137970 is 797313791.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246491 + ... + 254369.

It is an arithmetic number, because the mean of its divisors is an integer number (112762800).

Almost surely, 2^1973137970 is an apocalyptic number.

1973137970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1973137970 is a deficient number, since it is larger than the sum of its proper divisors (1635271630).

1973137970 is a wasteful number, since it uses less digits than its factorization.

1973137970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8282.

The product of its (nonzero) digits is 250047, while the sum is 47.

The square root of 1973137970 is about 44420.0176722162. The cubic root of 1973137970 is about 1254.2549335983.

The spelling of 1973137970 in words is "one billion, nine hundred seventy-three million, one hundred thirty-seven thousand, nine hundred seventy".