75025328280 has 256 divisors, whose sum is σ = 266172825600. Its totient is φ = 16555138560.

The previous prime is 75025328269. The next prime is 75025328293. The reversal of 75025328280 is 8282352057.

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

It is a congruent 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, 11428279 + ... + 11434841.

It is an arithmetic number, because the mean of its divisors is an integer number (1039737600).

Almost surely, 2^75025328280 is an apocalyptic number.

75025328280 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75025328280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133086412800).

75025328280 is an abundant number, since it is smaller than the sum of its proper divisors (191147497320).

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

75025328280 is a wasteful number, since it uses less digits than its factorization.

75025328280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7054 (or 7050 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 75025328280 in words is "seventy-five billion, twenty-five million, three hundred twenty-eight thousand, two hundred eighty".