84060731 has 4 divisors (see below), whose sum is σ = 88485000. Its totient is φ = 79636464.

The previous prime is 84060721. The next prime is 84060737. The reversal of 84060731 is 13706048.

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

It is a cyclic number.

It is not a de Polignac number, because 84060731 - 2²⁶ = 16951867 is a prime.

It is a super-2 number, since 2×84060731² = 14132412992508722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84060694 and 84060703.

It is not an unprimeable number, because it can be changed into a prime (84060737) 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, 2212106 + ... + 2212143.

It is an arithmetic number, because the mean of its divisors is an integer number (22121250).

Almost surely, 2^84060731 is an apocalyptic number.

84060731 is a deficient number, since it is larger than the sum of its proper divisors (4424269).

84060731 is a wasteful number, since it uses less digits than its factorization.

84060731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4424268.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 84060731 is about 9168.4639389595. The cubic root of 84060731 is about 438.0574332365.

Adding to 84060731 its reverse (13706048), we get a palindrome (97766779).

The spelling of 84060731 in words is "eighty-four million, sixty thousand, seven hundred thirty-one".