76272530 has 16 divisors (see below), whose sum is σ = 138625344. Its totient is φ = 30212400.

The previous prime is 76272527. The next prime is 76272533. The reversal of 76272530 is 3527267.

76272530 = 208² + 209² + ... + 619².

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (76272527) and next prime (76272533).

It is a Curzon number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35996 + ... + 38055.

It is an arithmetic number, because the mean of its divisors is an integer number (8664084).

Almost surely, 2^76272530 is an apocalyptic number.

76272530 is a deficient number, since it is larger than the sum of its proper divisors (62352814).

76272530 is a wasteful number, since it uses less digits than its factorization.

76272530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74161.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 76272530 is about 8733.4145670522. The cubic root of 76272530 is about 424.0880653968.

Adding to 76272530 its reverse (3527267), we get a palindrome (79799797).

The spelling of 76272530 in words is "seventy-six million, two hundred seventy-two thousand, five hundred thirty".