84745046 has 4 divisors (see below), whose sum is σ = 127117572. Its totient is φ = 42372522.

The previous prime is 84745027. The next prime is 84745057. The reversal of 84745046 is 64054748.

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

It is a Curzon number.

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, 21186260 + ... + 21186263.

It is an arithmetic number, because the mean of its divisors is an integer number (31779393).

Almost surely, 2^84745046 is an apocalyptic number.

84745046 is a deficient number, since it is larger than the sum of its proper divisors (42372526).

84745046 is a wasteful number, since it uses less digits than its factorization.

84745046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42372525.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 84745046 is about 9205.7072514826. The cubic root of 84745046 is about 439.2429233057.

The spelling of 84745046 in words is "eighty-four million, seven hundred forty-five thousand, forty-six".