19970710 has 32 divisors (see below), whose sum is σ = 38296800. Its totient is φ = 7476480.

The previous prime is 19970707. The next prime is 19970711. The reversal of 19970710 is 1707991.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19970711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16320 + ... + 17500.

It is an arithmetic number, because the mean of its divisors is an integer number (1196775).

Almost surely, 2^19970710 is an apocalyptic number.

19970710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19970710 is a deficient number, since it is larger than the sum of its proper divisors (18326090).

19970710 is a wasteful number, since it uses less digits than its factorization.

19970710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296.

The product of its (nonzero) digits is 3969, while the sum is 34.

The square root of 19970710 is about 4468.8600336104. The cubic root of 19970710 is about 271.3091881004.

The spelling of 19970710 in words is "nineteen million, nine hundred seventy thousand, seven hundred ten".