75485898 has 128 divisors (see below), whose sum is σ = 190080000. Its totient is φ = 22099392.

The previous prime is 75485867. The next prime is 75485909. The reversal of 75485898 is 89858457.

75485898 is a `hidden beast` number, since 7 + 54 + 8 + 589 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1279393 + ... + 1279451.

It is an arithmetic number, because the mean of its divisors is an integer number (1485000).

Almost surely, 2^75485898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75485898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95040000).

75485898 is an abundant number, since it is smaller than the sum of its proper divisors (114594102).

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

75485898 is a wasteful number, since it uses less digits than its factorization.

75485898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 155 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 54.

The square root of 75485898 is about 8688.2620816824. The cubic root of 75485898 is about 422.6250890657.

The spelling of 75485898 in words is "seventy-five million, four hundred eighty-five thousand, eight hundred ninety-eight".