19020742 has 8 divisors (see below), whose sum is σ = 30725856. Its totient is φ = 8778792.

The previous prime is 19020737. The next prime is 19020779. The reversal of 19020742 is 24702091.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365758 + ... + 365809.

It is an arithmetic number, because the mean of its divisors is an integer number (3840732).

Almost surely, 2^19020742 is an apocalyptic number.

19020742 is a deficient number, since it is larger than the sum of its proper divisors (11705114).

19020742 is a wasteful number, since it uses less digits than its factorization.

19020742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731582.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 19020742 is about 4361.2775651178. The cubic root of 19020742 is about 266.9372312904.

The spelling of 19020742 in words is "nineteen million, twenty thousand, seven hundred forty-two".