1973494417 has 8 divisors (see below), whose sum is σ = 2020519424. Its totient is φ = 1926520848.

The previous prime is 1973494409. The next prime is 1973494429. The reversal of 1973494417 is 7144943791.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1973494417 - 2³ = 1973494409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1970494417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71248 + ... + 94990.

It is an arithmetic number, because the mean of its divisors is an integer number (252564928).

Almost surely, 2^1973494417 is an apocalyptic number.

It is an amenable number.

1973494417 is a deficient number, since it is larger than the sum of its proper divisors (47025007).

1973494417 is a wasteful number, since it uses less digits than its factorization.

1973494417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25719.

The product of its digits is 762048, while the sum is 49.

The square root of 1973494417 is about 44424.0297249135. The cubic root of 1973494417 is about 1254.3304560227.

The spelling of 1973494417 in words is "one billion, nine hundred seventy-three million, four hundred ninety-four thousand, four hundred seventeen".