1607982742 has 4 divisors (see below), whose sum is σ = 2411974116. Its totient is φ = 803991370.

The previous prime is 1607982737. The next prime is 1607982763. The reversal of 1607982742 is 2472897061.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1607982692 and 1607982701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401995684 + ... + 401995687.

It is an arithmetic number, because the mean of its divisors is an integer number (602993529).

Almost surely, 2^1607982742 is an apocalyptic number.

1607982742 is a deficient number, since it is larger than the sum of its proper divisors (803991374).

1607982742 is an equidigital number, since it uses as much as digits as its factorization.

1607982742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803991373.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 1607982742 is about 40099.6601232479. The cubic root of 1607982742 is about 1171.5490092496.

The spelling of 1607982742 in words is "one billion, six hundred seven million, nine hundred eighty-two thousand, seven hundred forty-two".