75857020 has 24 divisors (see below), whose sum is σ = 161222544. Its totient is φ = 29976576.

The previous prime is 75857003. The next prime is 75857027. The reversal of 75857020 is 2075857.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75857027) 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, 21189 + ... + 24508.

It is an arithmetic number, because the mean of its divisors is an integer number (6717606).

Almost surely, 2^75857020 is an apocalyptic number.

It is an amenable number.

75857020 is an abundant number, since it is smaller than the sum of its proper divisors (85365524).

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

75857020 is a wasteful number, since it uses less digits than its factorization.

75857020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45789 (or 45787 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 75857020 is about 8709.5935611256. The cubic root of 75857020 is about 423.3165609464.

The spelling of 75857020 in words is "seventy-five million, eight hundred fifty-seven thousand, twenty".