7575381 has 12 divisors (see below), whose sum is σ = 11937120. Its totient is φ = 4591080.

The previous prime is 7575371. The next prime is 7575383. The reversal of 7575381 is 1835757.

7575381 is a `hidden beast` number, since 7 + 575 + 3 + 81 = 666.

7575381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7575381 - 2¹⁴ = 7558997 is a prime.

It is a super-2 number, since 2×7575381² = 114772794590322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

7575381 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7575383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38161 + ... + 38358.

It is an arithmetic number, because the mean of its divisors is an integer number (994760).

Almost surely, 2^7575381 is an apocalyptic number.

It is an amenable number.

7575381 is a deficient number, since it is larger than the sum of its proper divisors (4361739).

7575381 is a wasteful number, since it uses less digits than its factorization.

7575381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76536 (or 76533 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The square root of 7575381 is about 2752.3410035822. The cubic root of 7575381 is about 196.3969896931.

The spelling of 7575381 in words is "seven million, five hundred seventy-five thousand, three hundred eighty-one".