19672542 has 12 divisors (see below), whose sum is σ = 42623880. Its totient is φ = 6557508.

The previous prime is 19672537. The next prime is 19672573. The reversal of 19672542 is 24527691.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 19672497 and 19672506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 546442 + ... + 546477.

It is an arithmetic number, because the mean of its divisors is an integer number (3551990).

Almost surely, 2^19672542 is an apocalyptic number.

19672542 is an abundant number, since it is smaller than the sum of its proper divisors (22951338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19672542 is a wasteful number, since it uses less digits than its factorization.

19672542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092927 (or 1092924 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 19672542 is about 4435.3739413943. The cubic root of 19672542 is about 269.9521725984.

The spelling of 19672542 in words is "nineteen million, six hundred seventy-two thousand, five hundred forty-two".