65974373 has 4 divisors (see below), whose sum is σ = 68842848. Its totient is φ = 63105900.

The previous prime is 65974343. The next prime is 65974387. The reversal of 65974373 is 37347956.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65974373 - 2⁶ = 65974309 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 (65974303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1434203 + ... + 1434248.

It is an arithmetic number, because the mean of its divisors is an integer number (17210712).

Almost surely, 2^65974373 is an apocalyptic number.

It is an amenable number.

65974373 is a deficient number, since it is larger than the sum of its proper divisors (2868475).

65974373 is a wasteful number, since it uses less digits than its factorization.

65974373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868474.

The product of its digits is 476280, while the sum is 44.

The square root of 65974373 is about 8122.4610186815. The cubic root of 65974373 is about 404.0716898071.

The spelling of 65974373 in words is "sixty-five million, nine hundred seventy-four thousand, three hundred seventy-three".