19472942 has 8 divisors (see below), whose sum is σ = 29760696. Its totient is φ = 9552712.

The previous prime is 19472941. The next prime is 19472977. The reversal of 19472942 is 24927491.

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

It is a junction number, because it is equal to n+sod(n) for n = 19472896 and 19472905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19472941) 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, 91748 + ... + 91959.

It is an arithmetic number, because the mean of its divisors is an integer number (3720087).

Almost surely, 2^19472942 is an apocalyptic number.

19472942 is a deficient number, since it is larger than the sum of its proper divisors (10287754).

19472942 is a wasteful number, since it uses less digits than its factorization.

19472942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183762.

The product of its digits is 36288, while the sum is 38.

The square root of 19472942 is about 4412.8156544320. The cubic root of 19472942 is about 269.0360781339.

It can be divided in two parts, 19 and 472942, that multiplied together give a palindrome (8985898).

The spelling of 19472942 in words is "nineteen million, four hundred seventy-two thousand, nine hundred forty-two".