85732429 has 8 divisors (see below), whose sum is σ = 88584192. Its totient is φ = 82926480.

The previous prime is 85732403. The next prime is 85732433. The reversal of 85732429 is 92423758.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85732429 - 2¹³ = 85724237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85732391 and 85732400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85732489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7629 + ... + 15154.

It is an arithmetic number, because the mean of its divisors is an integer number (11073024).

Almost surely, 2^85732429 is an apocalyptic number.

It is an amenable number.

85732429 is a deficient number, since it is larger than the sum of its proper divisors (2851763).

85732429 is a wasteful number, since it uses less digits than its factorization.

85732429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22907.

The product of its digits is 120960, while the sum is 40.

The square root of 85732429 is about 9259.1807952972. The cubic root of 85732429 is about 440.9422455788.

The spelling of 85732429 in words is "eighty-five million, seven hundred thirty-two thousand, four hundred twenty-nine".