75083520 has 72 divisors (see below), whose sum is σ = 239810256. Its totient is φ = 20021248.

The previous prime is 75083507. The next prime is 75083521. The reversal of 75083520 is 2538057.

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 (75083521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5937 + ... + 13616.

It is an arithmetic number, because the mean of its divisors is an integer number (3330698).

Almost surely, 2^75083520 is an apocalyptic number.

It is an amenable number.

75083520 is an abundant number, since it is smaller than the sum of its proper divisors (164726736).

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

75083520 is a wasteful number, since it uses less digits than its factorization.

75083520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19577 (or 19563 counting only the distinct ones).

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

The square root of 75083520 is about 8665.0747255866. The cubic root of 75083520 is about 421.8728156814.

The spelling of 75083520 in words is "seventy-five million, eighty-three thousand, five hundred twenty".