75248381 has 8 divisors (see below), whose sum is σ = 82014240. Its totient is φ = 68622192.

The previous prime is 75248353. The next prime is 75248399. The reversal of 75248381 is 18384257.

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 75248381 - 2⁶ = 75248317 is a prime.

It is a super-2 number, since 2×75248381² = 11324637686242322, which contains 22 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 (75248311) 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, 33791 + ... + 35948.

It is an arithmetic number, because the mean of its divisors is an integer number (10251780).

Almost surely, 2^75248381 is an apocalyptic number.

It is an amenable number.

75248381 is a deficient number, since it is larger than the sum of its proper divisors (6765859).

75248381 is a wasteful number, since it uses less digits than its factorization.

75248381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69835.

The product of its digits is 53760, while the sum is 38.

The square root of 75248381 is about 8674.5824683382. The cubic root of 75248381 is about 422.1813588980.

The spelling of 75248381 in words is "seventy-five million, two hundred forty-eight thousand, three hundred eighty-one".