84140573 has 4 divisors (see below), whose sum is σ = 91789728. Its totient is φ = 76491420.

The previous prime is 84140557. The next prime is 84140579. The reversal of 84140573 is 37504148.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84140573 - 2⁴ = 84140557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84140579) 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, 3824561 + ... + 3824582.

It is an arithmetic number, because the mean of its divisors is an integer number (22947432).

Almost surely, 2^84140573 is an apocalyptic number.

It is an amenable number.

84140573 is a deficient number, since it is larger than the sum of its proper divisors (7649155).

84140573 is a wasteful number, since it uses less digits than its factorization.

84140573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7649154.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 84140573 is about 9172.8170700173. The cubic root of 84140573 is about 438.1960802744.

It can be divided in two parts, 841 and 40573, that added together give a palindrome (41414).

The spelling of 84140573 in words is "eighty-four million, one hundred forty thousand, five hundred seventy-three".