85070030 has 32 divisors (see below), whose sum is σ = 165555360. Its totient is φ = 31363200.

The previous prime is 85070009. The next prime is 85070033. The reversal of 85070030 is 3007058.

It is a junction number, because it is equal to n+sod(n) for n = 85069978 and 85070005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85070033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 980 + ... + 13080.

It is an arithmetic number, because the mean of its divisors is an integer number (5173605).

Almost surely, 2^85070030 is an apocalyptic number.

85070030 is a deficient number, since it is larger than the sum of its proper divisors (80485330).

85070030 is a wasteful number, since it uses less digits than its factorization.

85070030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12164.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 85070030 is about 9223.3415853475. The cubic root of 85070030 is about 439.8036830825.

Adding to 85070030 its reverse (3007058), we get a palindrome (88077088).

The spelling of 85070030 in words is "eighty-five million, seventy thousand, thirty".