84660073 has 4 divisors (see below), whose sum is σ = 84718420. Its totient is φ = 84601728.

The previous prime is 84660053. The next prime is 84660089. The reversal of 84660073 is 37006648.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26091664 + 58568409 = 5108^2 + 7653^2 .

It is a cyclic number.

It is not a de Polignac number, because 84660073 - 2¹³ = 84651881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84660053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26940 + ... + 29917.

It is an arithmetic number, because the mean of its divisors is an integer number (21179605).

Almost surely, 2^84660073 is an apocalyptic number.

It is an amenable number.

84660073 is a deficient number, since it is larger than the sum of its proper divisors (58347).

84660073 is a wasteful number, since it uses less digits than its factorization.

84660073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58346.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 84660073 is about 9201.0908592405. The cubic root of 84660073 is about 439.0960660660.

The spelling of 84660073 in words is "eighty-four million, six hundred sixty thousand, seventy-three".