76448538 has 24 divisors (see below), whose sum is σ = 165885876. Its totient is φ = 25444800.

The previous prime is 76448521. The next prime is 76448551. The reversal of 76448538 is 83584467.

76448538 is a `hidden beast` number, since 76 + 4 + 48 + 538 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 61261929 + 15186609 = 7827^2 + 3897^2 .

It is a junction number, because it is equal to n+sod(n) for n = 76448493 and 76448502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10908 + ... + 16488.

Almost surely, 2^76448538 is an apocalyptic number.

76448538 is an abundant number, since it is smaller than the sum of its proper divisors (89437338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76448538 is a wasteful number, since it uses less digits than its factorization.

76448538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6350 (or 6347 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 76448538 is about 8743.4854606158. The cubic root of 76448538 is about 424.4140261321.

The spelling of 76448538 in words is "seventy-six million, four hundred forty-eight thousand, five hundred thirty-eight".