84346742 has 4 divisors (see below), whose sum is σ = 126520116. Its totient is φ = 42173370.

The previous prime is 84346733. The next prime is 84346751. The reversal of 84346742 is 24764348.

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

It is an interprime number because it is at equal distance from previous prime (84346733) and next prime (84346751).

It is a super-2 number, since 2×84346742² = 14228745772029128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84346696 and 84346705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21086684 + ... + 21086687.

It is an arithmetic number, because the mean of its divisors is an integer number (31630029).

Almost surely, 2^84346742 is an apocalyptic number.

84346742 is a deficient number, since it is larger than the sum of its proper divisors (42173374).

84346742 is a wasteful number, since it uses less digits than its factorization.

84346742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42173373.

The product of its digits is 129024, while the sum is 38.

The square root of 84346742 is about 9184.0482359360. The cubic root of 84346742 is about 438.5536911798.

The spelling of 84346742 in words is "eighty-four million, three hundred forty-six thousand, seven hundred forty-two".