84201974 has 4 divisors (see below), whose sum is σ = 126302964. Its totient is φ = 42100986.

The previous prime is 84201967. The next prime is 84201991. The reversal of 84201974 is 47910248.

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

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, 21050492 + ... + 21050495.

It is an arithmetic number, because the mean of its divisors is an integer number (31575741).

Almost surely, 2^84201974 is an apocalyptic number.

84201974 is a deficient number, since it is larger than the sum of its proper divisors (42100990).

84201974 is a wasteful number, since it uses less digits than its factorization.

84201974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42100989.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 84201974 is about 9176.1633594874. The cubic root of 84201974 is about 438.3026445413.

The spelling of 84201974 in words is "eighty-four million, two hundred one thousand, nine hundred seventy-four".