19420075 has 12 divisors (see below), whose sum is σ = 24139080. Its totient is φ = 15498560.

The previous prime is 19420061. The next prime is 19420081. The reversal of 19420075 is 57002491.

It is a happy number.

It is not a de Polignac number, because 19420075 - 2⁹ = 19419563 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14796 + ... + 16054.

It is an arithmetic number, because the mean of its divisors is an integer number (2011590).

Almost surely, 2^19420075 is an apocalyptic number.

19420075 is a deficient number, since it is larger than the sum of its proper divisors (4719005).

19420075 is a wasteful number, since it uses less digits than its factorization.

19420075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886 (or 1881 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 19420075 is about 4406.8214168491. The cubic root of 19420075 is about 268.7923892034.

The spelling of 19420075 in words is "nineteen million, four hundred twenty thousand, seventy-five".