814722632742 has 32 divisors (see below), whose sum is σ = 1639624506624. Its totient is φ = 269882949600.

The previous prime is 814722632729. The next prime is 814722632777. The reversal of 814722632742 is 247236227418.

It is a junction number, because it is equal to n+sod(n) for n = 814722632691 and 814722632700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41893 + ... + 1277184.

It is an arithmetic number, because the mean of its divisors is an integer number (51238265832).

Almost surely, 2^814722632742 is an apocalyptic number.

814722632742 is an abundant number, since it is smaller than the sum of its proper divisors (824901873882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

814722632742 is a wasteful number, since it uses less digits than its factorization.

814722632742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319724.

The product of its digits is 1806336, while the sum is 48.

The spelling of 814722632742 in words is "eight hundred fourteen billion, seven hundred twenty-two million, six hundred thirty-two thousand, seven hundred forty-two".