75250830 has 32 divisors (see below), whose sum is σ = 190108800. Its totient is φ = 19010592.

The previous prime is 75250801. The next prime is 75250837. The reversal of 75250830 is 3805257.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75250837) 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, 65440 + ... + 66579.

It is an arithmetic number, because the mean of its divisors is an integer number (5940900).

Almost surely, 2^75250830 is an apocalyptic number.

75250830 is an abundant number, since it is smaller than the sum of its proper divisors (114857970).

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

75250830 is a wasteful number, since it uses less digits than its factorization.

75250830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132048.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 75250830 is about 8674.7236267215. The cubic root of 75250830 is about 422.1859388899.

The spelling of 75250830 in words is "seventy-five million, two hundred fifty thousand, eight hundred thirty".