84722734 has 4 divisors (see below), whose sum is σ = 127084104. Its totient is φ = 42361366.

The previous prime is 84722723. The next prime is 84722789. The reversal of 84722734 is 43722748.

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 = 84722693 and 84722702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21180682 + ... + 21180685.

It is an arithmetic number, because the mean of its divisors is an integer number (31771026).

Almost surely, 2^84722734 is an apocalyptic number.

84722734 is a deficient number, since it is larger than the sum of its proper divisors (42361370).

84722734 is a wasteful number, since it uses less digits than its factorization.

84722734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42361369.

The product of its digits is 75264, while the sum is 37.

The square root of 84722734 is about 9204.4953147905. The cubic root of 84722734 is about 439.2043714029.

The spelling of 84722734 in words is "eighty-four million, seven hundred twenty-two thousand, seven hundred thirty-four".