19970373 has 8 divisors (see below), whose sum is σ = 26876448. Its totient is φ = 13188944.

The previous prime is 19970351. The next prime is 19970399. The reversal of 19970373 is 37307991.

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 19970373 - 2⁸ = 19970117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19970303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30786 + ... + 31427.

It is an arithmetic number, because the mean of its divisors is an integer number (3359556).

Almost surely, 2^19970373 is an apocalyptic number.

It is an amenable number.

19970373 is a deficient number, since it is larger than the sum of its proper divisors (6906075).

19970373 is a wasteful number, since it uses less digits than its factorization.

19970373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62323.

The product of its (nonzero) digits is 35721, while the sum is 39.

The square root of 19970373 is about 4468.8223280860. The cubic root of 19970373 is about 271.3076620036.

The spelling of 19970373 in words is "nineteen million, nine hundred seventy thousand, three hundred seventy-three".