76868450 has 12 divisors (see below), whose sum is σ = 142975410. Its totient is φ = 30747360.

The previous prime is 76868447. The next prime is 76868503. The reversal of 76868450 is 5486867.

It can be written as a sum of positive squares in 3 ways, for example, as 63377521 + 13490929 = 7961^2 + 3673^2 .

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 5 ways as a sum of consecutive naturals, for example, 768635 + ... + 768734.

Almost surely, 2^76868450 is an apocalyptic number.

76868450 is a deficient number, since it is larger than the sum of its proper divisors (66106960).

76868450 is a wasteful number, since it uses less digits than its factorization.

76868450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537381 (or 1537376 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 76868450 is about 8767.4654262221. The cubic root of 76868450 is about 425.1896731237.

The spelling of 76868450 in words is "seventy-six million, eight hundred sixty-eight thousand, four hundred fifty".