85470070 has 32 divisors (see below), whose sum is σ = 183472128. Its totient is φ = 28029408.

The previous prime is 85470043. The next prime is 85470071. The reversal of 85470070 is 7007458.

It is a happy number.

It is a super-4 number, since 4×85470070⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85470071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24934 + ... + 28153.

It is an arithmetic number, because the mean of its divisors is an integer number (5733504).

Almost surely, 2^85470070 is an apocalyptic number.

85470070 is an abundant number, since it is smaller than the sum of its proper divisors (98002058).

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

85470070 is a wasteful number, since it uses less digits than its factorization.

85470070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53124.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 85470070 is about 9245.0024337477. The cubic root of 85470070 is about 440.4919944278.

The spelling of 85470070 in words is "eighty-five million, four hundred seventy thousand, seventy".