85730413 has 4 divisors (see below), whose sum is σ = 90242560. Its totient is φ = 81218268.

The previous prime is 85730399. The next prime is 85730417. The reversal of 85730413 is 31403758.

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 85730413 - 2¹⁷ = 85599341 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 (85730417) 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, 2256045 + ... + 2256082.

It is an arithmetic number, because the mean of its divisors is an integer number (22560640).

Almost surely, 2^85730413 is an apocalyptic number.

It is an amenable number.

85730413 is a deficient number, since it is larger than the sum of its proper divisors (4512147).

85730413 is a wasteful number, since it uses less digits than its factorization.

85730413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4512146.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 85730413 is about 9259.0719297346. The cubic root of 85730413 is about 440.9387892961.

The spelling of 85730413 in words is "eighty-five million, seven hundred thirty thousand, four hundred thirteen".