76440026 has 16 divisors (see below), whose sum is σ = 123664968. Its totient is φ = 35227200.

The previous prime is 76440019. The next prime is 76440073. The reversal of 76440026 is 62004467.

It can be written as a sum of positive squares in 4 ways, for example, as 60078001 + 16362025 = 7751^2 + 4045^2 .

It is a Curzon number.

It is an unprimeable number.

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, 19556 + ... + 23136.

Almost surely, 2^76440026 is an apocalyptic number.

76440026 is a deficient number, since it is larger than the sum of its proper divisors (47224942).

76440026 is a wasteful number, since it uses less digits than its factorization.

76440026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4417.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 76440026 is about 8742.9986846619. The cubic root of 76440026 is about 424.3982737215.

The spelling of 76440026 in words is "seventy-six million, four hundred forty thousand, twenty-six".