76531541 has 4 divisors (see below), whose sum is σ = 76645932. Its totient is φ = 76417152.

The previous prime is 76531537. The next prime is 76531547. The reversal of 76531541 is 14513567.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44609041 + 31922500 = 6679^2 + 5650^2 .

It is a cyclic number.

It is not a de Polignac number, because 76531541 - 2² = 76531537 is a prime.

It is a super-3 number, since 3×76531541³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 76531498 and 76531507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76531547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56186 + ... + 57531.

It is an arithmetic number, because the mean of its divisors is an integer number (19161483).

Almost surely, 2^76531541 is an apocalyptic number.

It is an amenable number.

76531541 is a deficient number, since it is larger than the sum of its proper divisors (114391).

76531541 is a wasteful number, since it uses less digits than its factorization.

76531541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114390.

The product of its digits is 12600, while the sum is 32.

The square root of 76531541 is about 8748.2307354116. The cubic root of 76531541 is about 424.5675712345.

The spelling of 76531541 in words is "seventy-six million, five hundred thirty-one thousand, five hundred forty-one".