83530715 has 4 divisors (see below), whose sum is σ = 100236864. Its totient is φ = 66824568.

The previous prime is 83530693. The next prime is 83530717. The reversal of 83530715 is 51703538.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51703538 = 2 ⋅25851769.

It is a cyclic number.

It is not a de Polignac number, because 83530715 - 2⁶ = 83530651 is a prime.

It is a super-2 number, since 2×83530715² = 13954760696822450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83530717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8353067 + ... + 8353076.

It is an arithmetic number, because the mean of its divisors is an integer number (25059216).

Almost surely, 2^83530715 is an apocalyptic number.

83530715 is a deficient number, since it is larger than the sum of its proper divisors (16706149).

83530715 is a wasteful number, since it uses less digits than its factorization.

83530715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16706148.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 83530715 is about 9139.5139367474. The cubic root of 83530715 is about 437.1348179878.

The spelling of 83530715 in words is "eighty-three million, five hundred thirty thousand, seven hundred fifteen".