85730052 has 24 divisors (see below), whose sum is σ = 210565600. Its totient is φ = 27072576.

The previous prime is 85730041. The next prime is 85730053. The reversal of 85730052 is 25003758.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (85730053) 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, 187777 + ... + 188232.

Almost surely, 2^85730052 is an apocalyptic number.

It is an amenable number.

85730052 is an abundant number, since it is smaller than the sum of its proper divisors (124835548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85730052 is a wasteful number, since it uses less digits than its factorization.

85730052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376035 (or 376033 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 85730052 is about 9259.0524353197. The cubic root of 85730052 is about 440.9381703826.

The spelling of 85730052 in words is "eighty-five million, seven hundred thirty thousand, fifty-two".