84753742 has 4 divisors (see below), whose sum is σ = 127130616. Its totient is φ = 42376870.

The previous prime is 84753703. The next prime is 84753743. The reversal of 84753742 is 24735748.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 84753695 and 84753704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84753743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21188434 + ... + 21188437.

It is an arithmetic number, because the mean of its divisors is an integer number (31782654).

Almost surely, 2^84753742 is an apocalyptic number.

84753742 is a deficient number, since it is larger than the sum of its proper divisors (42376874).

84753742 is a wasteful number, since it uses less digits than its factorization.

84753742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42376873.

The product of its digits is 188160, while the sum is 40.

The square root of 84753742 is about 9206.1795550597. The cubic root of 84753742 is about 439.2579469010.

The spelling of 84753742 in words is "eighty-four million, seven hundred fifty-three thousand, seven hundred forty-two".