18737106742 has 8 divisors (see below), whose sum is σ = 28444282776. Its totient is φ = 9255679152.

The previous prime is 18737106677. The next prime is 18737106743. The reversal of 18737106742 is 24760173781.

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

It is a super-2 number, since 2×18737106742² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18737106692 and 18737106701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18737106743) 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, 56436903 + ... + 56437234.

It is an arithmetic number, because the mean of its divisors is an integer number (3555535347).

Almost surely, 2^18737106742 is an apocalyptic number.

18737106742 is a deficient number, since it is larger than the sum of its proper divisors (9707176034).

18737106742 is a wasteful number, since it uses less digits than its factorization.

18737106742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112874222.

The product of its (nonzero) digits is 395136, while the sum is 46.

The spelling of 18737106742 in words is "eighteen billion, seven hundred thirty-seven million, one hundred six thousand, seven hundred forty-two".