2664342742 has 8 divisors (see below), whose sum is σ = 3996768600. Its totient is φ = 1332086544.

The previous prime is 2664342727. The next prime is 2664342749. The reversal of 2664342742 is 2472434662.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2664342695 and 2664342704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664342749) 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, 9609 + ... + 73627.

It is an arithmetic number, because the mean of its divisors is an integer number (499596075).

Almost surely, 2^2664342742 is an apocalyptic number.

2664342742 is a deficient number, since it is larger than the sum of its proper divisors (1332425858).

2664342742 is a wasteful number, since it uses less digits than its factorization.

2664342742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84830.

The product of its digits is 387072, while the sum is 40.

The square root of 2664342742 is about 51617.2717411527. The cubic root of 2664342742 is about 1386.3196017842.

The spelling of 2664342742 in words is "two billion, six hundred sixty-four million, three hundred forty-two thousand, seven hundred forty-two".