75406541 has 6 divisors (see below), whose sum is σ = 87717870. Its totient is φ = 64634136.

The previous prime is 75406523. The next prime is 75406559. The reversal of 75406541 is 14560457.

It is an interprime number because it is at equal distance from previous prime (75406523) and next prime (75406559).

It can be written as a sum of positive squares in only one way, i.e., 49294441 + 26112100 = 7021^2 + 5110^2 .

It is not a de Polignac number, because 75406541 - 2¹⁸ = 75144397 is a prime.

It is a super-2 number, since 2×75406541² = 11372292851169362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75406498 and 75406507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75406501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 769406 + ... + 769503.

It is an arithmetic number, because the mean of its divisors is an integer number (14619645).

Almost surely, 2^75406541 is an apocalyptic number.

It is an amenable number.

75406541 is a deficient number, since it is larger than the sum of its proper divisors (12311329).

75406541 is a wasteful number, since it uses less digits than its factorization.

75406541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538923 (or 1538916 counting only the distinct ones).

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

The square root of 75406541 is about 8683.6939720375. The cubic root of 75406541 is about 422.4769376905.

Adding to 75406541 its reverse (14560457), we get a palindrome (89966998).

The spelling of 75406541 in words is "seventy-five million, four hundred six thousand, five hundred forty-one".