19432970 has 16 divisors (see below), whose sum is σ = 36108288. Its totient is φ = 7522320.

The previous prime is 19432967. The next prime is 19432979. The reversal of 19432970 is 7923491.

It is a self number, because there is not a number n which added to its sum of digits gives 19432970.

It is not an unprimeable number, because it can be changed into a prime (19432979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31034 + ... + 31653.

It is an arithmetic number, because the mean of its divisors is an integer number (2256768).

Almost surely, 2^19432970 is an apocalyptic number.

19432970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19432970 is a deficient number, since it is larger than the sum of its proper divisors (16675318).

19432970 is a wasteful number, since it uses less digits than its factorization.

19432970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62725.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 19432970 is about 4408.2842467336. The cubic root of 19432970 is about 268.8518690797.

It can be divided in two parts, 19432 and 970, that added together give a palindrome (20402).

The spelling of 19432970 in words is "nineteen million, four hundred thirty-two thousand, nine hundred seventy".