76215130 has 8 divisors (see below), whose sum is σ = 137187252. Its totient is φ = 30486048.

The previous prime is 76215119. The next prime is 76215133. The reversal of 76215130 is 3151267.

It can be written as a sum of positive squares in 2 ways, for example, as 75846681 + 368449 = 8709^2 + 607^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 76215095 and 76215104.

It is not an unprimeable number, because it can be changed into a prime (76215133) 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, 3810747 + ... + 3810766.

Almost surely, 2^76215130 is an apocalyptic number.

76215130 is a deficient number, since it is larger than the sum of its proper divisors (60972122).

76215130 is a wasteful number, since it uses less digits than its factorization.

76215130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7621520.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 76215130 is about 8730.1277195697. The cubic root of 76215130 is about 423.9816541546.

Adding to 76215130 its reverse (3151267), we get a palindrome (79366397).

The spelling of 76215130 in words is "seventy-six million, two hundred fifteen thousand, one hundred thirty".