19572093 has 6 divisors (see below), whose sum is σ = 28270814. Its totient is φ = 13048056.

The previous prime is 19572089. The next prime is 19572121. The reversal of 19572093 is 39027591.

It can be written as a sum of positive squares in only one way, i.e., 18896409 + 675684 = 4347^2 + 822^2 .

It is not a de Polignac number, because 19572093 - 2² = 19572089 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19572023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1087330 + ... + 1087347.

Almost surely, 2^19572093 is an apocalyptic number.

It is an amenable number.

19572093 is a deficient number, since it is larger than the sum of its proper divisors (8698721).

19572093 is a wasteful number, since it uses less digits than its factorization.

19572093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174683 (or 2174680 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 19572093 is about 4424.0358271605. The cubic root of 19572093 is about 269.4919251840.

The spelling of 19572093 in words is "nineteen million, five hundred seventy-two thousand, ninety-three".