77270048 has 12 divisors (see below), whose sum is σ = 152125470. Its totient is φ = 38635008.

The previous prime is 77270047. The next prime is 77270071. The reversal of 77270048 is 84007277.

It can be written as a sum of positive squares in only one way, i.e., 56731024 + 20539024 = 7532^2 + 4532^2 .

It is not an unprimeable number, because it can be changed into a prime (77270047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1207313 + ... + 1207376.

Almost surely, 2^77270048 is an apocalyptic number.

It is an amenable number.

77270048 is a deficient number, since it is larger than the sum of its proper divisors (74855422).

77270048 is a wasteful number, since it uses less digits than its factorization.

77270048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414699 (or 2414691 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 35.

The square root of 77270048 is about 8790.3383325103. The cubic root of 77270048 is about 425.9288529084.

The spelling of 77270048 in words is "seventy-seven million, two hundred seventy thousand, forty-eight".