75878250 has 128 divisors (see below), whose sum is σ = 220147200. Its totient is φ = 17049600.

The previous prime is 75878233. The next prime is 75878251. The reversal of 75878250 is 5287857.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (75878251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 509176 + ... + 509324.

It is an arithmetic number, because the mean of its divisors is an integer number (1719900).

Almost surely, 2^75878250 is an apocalyptic number.

75878250 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 75878250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110073600).

75878250 is an abundant number, since it is smaller than the sum of its proper divisors (144268950).

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

75878250 is a wasteful number, since it uses less digits than its factorization.

75878250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 42.

The square root of 75878250 is about 8710.8122468574. The cubic root of 75878250 is about 423.3560482710.

The spelling of 75878250 in words is "seventy-five million, eight hundred seventy-eight thousand, two hundred fifty".