19970974 has 8 divisors (see below), whose sum is σ = 29995920. Its totient is φ = 9972336.

The previous prime is 19970959. The next prime is 19970987. The reversal of 19970974 is 47907991.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4554 + ... + 7789.

It is an arithmetic number, because the mean of its divisors is an integer number (3749490).

Almost surely, 2^19970974 is an apocalyptic number.

19970974 is a deficient number, since it is larger than the sum of its proper divisors (10024946).

19970974 is a wasteful number, since it uses less digits than its factorization.

19970974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13154.

The product of its (nonzero) digits is 142884, while the sum is 46.

The square root of 19970974 is about 4468.8895712470. The cubic root of 19970974 is about 271.3103836064.

The spelling of 19970974 in words is "nineteen million, nine hundred seventy thousand, nine hundred seventy-four".