75573120 has 128 divisors (see below), whose sum is σ = 275351040. Its totient is φ = 17270784.

The previous prime is 75573103. The next prime is 75573131. The reversal of 75573120 is 2137557.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×75573120² = 11422592933068800, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10629 + ... + 16251.

It is an arithmetic number, because the mean of its divisors is an integer number (2151180).

Almost surely, 2^75573120 is an apocalyptic number.

75573120 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 75573120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137675520).

75573120 is an abundant number, since it is smaller than the sum of its proper divisors (199777920).

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

75573120 is a wasteful number, since it uses less digits than its factorization.

75573120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5652 (or 5640 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 75573120 is about 8693.2801634366. The cubic root of 75573120 is about 422.7878038590.

The spelling of 75573120 in words is "seventy-five million, five hundred seventy-three thousand, one hundred twenty".