75800830 has 32 divisors (see below), whose sum is σ = 159565824. Its totient is φ = 25383456.

The previous prime is 75800819. The next prime is 75800831. The reversal of 75800830 is 3800857.

It is a junction number, because it is equal to n+sod(n) for n = 75800792 and 75800801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75800831) 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, 9582 + ... + 15601.

It is an arithmetic number, because the mean of its divisors is an integer number (4986432).

Almost surely, 2^75800830 is an apocalyptic number.

75800830 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

75800830 is an abundant number, since it is smaller than the sum of its proper divisors (83764994).

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

75800830 is a wasteful number, since it uses less digits than its factorization.

75800830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25240.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 75800830 is about 8706.3672102663. The cubic root of 75800830 is about 423.2120132369.

The spelling of 75800830 in words is "seventy-five million, eight hundred thousand, eight hundred thirty".