75482421 has 32 divisors (see below), whose sum is σ = 122035200. Its totient is φ = 40538880.

The previous prime is 75482419. The next prime is 75482453. The reversal of 75482421 is 12428457.

It is not a de Polignac number, because 75482421 - 2¹ = 75482419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75482461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54781 + ... + 56141.

It is an arithmetic number, because the mean of its divisors is an integer number (3813600).

Almost surely, 2^75482421 is an apocalyptic number.

It is an amenable number.

75482421 is a deficient number, since it is larger than the sum of its proper divisors (46552779).

75482421 is a wasteful number, since it uses less digits than its factorization.

75482421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529.

The product of its digits is 17920, while the sum is 33.

The square root of 75482421 is about 8688.0619818231. The cubic root of 75482421 is about 422.6186000392.

The spelling of 75482421 in words is "seventy-five million, four hundred eighty-two thousand, four hundred twenty-one".