77007268 has 12 divisors (see below), whose sum is σ = 145129180. Its totient is φ = 35541792.

The previous prime is 77007257. The next prime is 77007277. The reversal of 77007268 is 86270077.

It can be written as a sum of positive squares in 2 ways, for example, as 15038884 + 61968384 = 3878^2 + 7872^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 740403 + ... + 740506.

Almost surely, 2^77007268 is an apocalyptic number.

It is an amenable number.

77007268 is a deficient number, since it is larger than the sum of its proper divisors (68121912).

77007268 is a wasteful number, since it uses less digits than its factorization.

77007268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480926 (or 1480924 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 77007268 is about 8775.3785103550. The cubic root of 77007268 is about 425.4454715467.

The spelling of 77007268 in words is "seventy-seven million, seven thousand, two hundred sixty-eight".