19371742 has 8 divisors (see below), whose sum is σ = 31292856. Its totient is φ = 8940792.

The previous prime is 19371733. The next prime is 19371749. The reversal of 19371742 is 24717391.

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

It is a super-2 number, since 2×19371742² = 750528776229128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19371698 and 19371707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19371749) 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, 372508 + ... + 372559.

It is an arithmetic number, because the mean of its divisors is an integer number (3911607).

Almost surely, 2^19371742 is an apocalyptic number.

19371742 is a deficient number, since it is larger than the sum of its proper divisors (11921114).

19371742 is a wasteful number, since it uses less digits than its factorization.

19371742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745082.

The product of its digits is 10584, while the sum is 34.

The square root of 19371742 is about 4401.3341159244. The cubic root of 19371742 is about 268.5692123219.

The spelling of 19371742 in words is "nineteen million, three hundred seventy-one thousand, seven hundred forty-two".