75041645 has 8 divisors (see below), whose sum is σ = 102914304. Its totient is φ = 51457104.

The previous prime is 75041641. The next prime is 75041671. The reversal of 75041645 is 54614057.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75041645 - 2² = 75041641 is a prime.

It is a super-3 number, since 3×75041645³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75041641) 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, 1071989 + ... + 1072058.

It is an arithmetic number, because the mean of its divisors is an integer number (12864288).

Almost surely, 2^75041645 is an apocalyptic number.

It is an amenable number.

75041645 is a deficient number, since it is larger than the sum of its proper divisors (27872659).

75041645 is a wasteful number, since it uses less digits than its factorization.

75041645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144059.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 75041645 is about 8662.6580793657. The cubic root of 75041645 is about 421.7943732157.

The spelling of 75041645 in words is "seventy-five million, forty-one thousand, six hundred forty-five".