84723070 has 32 divisors (see below), whose sum is σ = 163708128. Its totient is φ = 31454208.

The previous prime is 84723061. The next prime is 84723077. The reversal of 84723070 is 7032748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84723077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8997 + ... + 15823.

It is an arithmetic number, because the mean of its divisors is an integer number (5115879).

Almost surely, 2^84723070 is an apocalyptic number.

84723070 is a deficient number, since it is larger than the sum of its proper divisors (78985058).

84723070 is a wasteful number, since it uses less digits than its factorization.

84723070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6924.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 84723070 is about 9204.5135667237. The cubic root of 84723070 is about 439.2049520125.

The spelling of 84723070 in words is "eighty-four million, seven hundred twenty-three thousand, seventy".