85602740 has 12 divisors (see below), whose sum is σ = 179765796. Its totient is φ = 34241088.

The previous prime is 85602739. The next prime is 85602743. The reversal of 85602740 is 4720658.

It can be written as a sum of positive squares in 2 ways, for example, as 40094224 + 45508516 = 6332^2 + 6746^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 85602697 and 85602706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85602743) 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, 2140049 + ... + 2140088.

It is an arithmetic number, because the mean of its divisors is an integer number (14980483).

Almost surely, 2^85602740 is an apocalyptic number.

It is an amenable number.

85602740 is an abundant number, since it is smaller than the sum of its proper divisors (94163056).

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

85602740 is a wasteful number, since it uses less digits than its factorization.

85602740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4280146 (or 4280144 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 85602740 is about 9252.1748794540. The cubic root of 85602740 is about 440.7197929281.

The spelling of 85602740 in words is "eighty-five million, six hundred two thousand, seven hundred forty".