76272531 has 16 divisors (see below), whose sum is σ = 107619840. Its totient is φ = 47949440.

The previous prime is 76272527. The next prime is 76272533. The reversal of 76272531 is 13527267.

It is a cyclic number.

It is not a de Polignac number, because 76272531 - 2² = 76272527 is a prime.

It is a super-2 number, since 2×76272531² = 11634997970291922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 76272492 and 76272501.

It is not an unprimeable number, because it can be changed into a prime (76272533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2886 + ... + 12683.

It is an arithmetic number, because the mean of its divisors is an integer number (6726240).

Almost surely, 2^76272531 is an apocalyptic number.

76272531 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

76272531 is a deficient number, since it is larger than the sum of its proper divisors (31347309).

76272531 is a wasteful number, since it uses less digits than its factorization.

76272531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15666.

The product of its digits is 17640, while the sum is 33.

The square root of 76272531 is about 8733.4146243036. The cubic root of 76272531 is about 424.0880672501.

Adding to 76272531 its reverse (13527267), we get a palindrome (89799798).

The spelling of 76272531 in words is "seventy-six million, two hundred seventy-two thousand, five hundred thirty-one".