76444330 has 8 divisors (see below), whose sum is σ = 137599812. Its totient is φ = 30577728.

The previous prime is 76444307. The next prime is 76444337. The reversal of 76444330 is 3344467.

It can be written as a sum of positive squares in 2 ways, for example, as 75151561 + 1292769 = 8669^2 + 1137^2 .

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

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 76444292 and 76444301.

It is not an unprimeable number, because it can be changed into a prime (76444337) 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 3 ways as a sum of consecutive naturals, for example, 3822207 + ... + 3822226.

Almost surely, 2^76444330 is an apocalyptic number.

76444330 is a deficient number, since it is larger than the sum of its proper divisors (61155482).

76444330 is a wasteful number, since it uses less digits than its factorization.

76444330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7644440.

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 76444330 is about 8743.2448210032. The cubic root of 76444330 is about 424.4062389024.

Adding to 76444330 its reverse (3344467), we get a palindrome (79788797).

The spelling of 76444330 in words is "seventy-six million, four hundred forty-four thousand, three hundred thirty".