77074948 has 6 divisors (see below), whose sum is σ = 134881166. Its totient is φ = 38537472.

The previous prime is 77074931. The next prime is 77074961. The reversal of 77074948 is 84947077.

It can be written as a sum of positive squares in only one way, i.e., 49533444 + 27541504 = 7038^2 + 5248^2 .

It is a junction number, because it is equal to n+sod(n) for n = 77074898 and 77074907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9634365 + ... + 9634372.

Almost surely, 2^77074948 is an apocalyptic number.

It is an amenable number.

77074948 is a deficient number, since it is larger than the sum of its proper divisors (57806218).

77074948 is a wasteful number, since it uses less digits than its factorization.

77074948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19268741 (or 19268739 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 77074948 is about 8779.2339073521. The cubic root of 77074948 is about 425.5700732839.

The spelling of 77074948 in words is "seventy-seven million, seventy-four thousand, nine hundred forty-eight".