84731002 has 4 divisors (see below), whose sum is σ = 127096506. Its totient is φ = 42365500.

The previous prime is 84730991. The next prime is 84731039. The reversal of 84731002 is 20013748.

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

It can be written as a sum of positive squares in only one way, i.e., 81378441 + 3352561 = 9021^2 + 1831^2 .

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, 21182749 + ... + 21182752.

Almost surely, 2^84731002 is an apocalyptic number.

84731002 is a deficient number, since it is larger than the sum of its proper divisors (42365504).

84731002 is a wasteful number, since it uses less digits than its factorization.

84731002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42365503.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 84731002 is about 9204.9444322060. The cubic root of 84731002 is about 439.2186580981.

The spelling of 84731002 in words is "eighty-four million, seven hundred thirty-one thousand, two".