84723706 has 4 divisors (see below), whose sum is σ = 127085562. Its totient is φ = 42361852.

The previous prime is 84723701. The next prime is 84723707. The reversal of 84723706 is 60732748.

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., 46172025 + 38551681 = 6795^2 + 6209^2 .

It is not an unprimeable number, because it can be changed into a prime (84723701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21180925 + ... + 21180928.

Almost surely, 2^84723706 is an apocalyptic number.

84723706 is a deficient number, since it is larger than the sum of its proper divisors (42361856).

84723706 is a wasteful number, since it uses less digits than its factorization.

84723706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42361855.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 84723706 is about 9204.5481149267. The cubic root of 84723706 is about 439.2060510191.

The spelling of 84723706 in words is "eighty-four million, seven hundred twenty-three thousand, seven hundred six".