77474996 has 12 divisors (see below), whose sum is σ = 135642948. Its totient is φ = 38719872.

The previous prime is 77474977. The next prime is 77475019. The reversal of 77474996 is 69947477.

It can be written as a sum of positive squares in 2 ways, for example, as 48163600 + 29311396 = 6940^2 + 5414^2 .

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 14390 + ... + 19026.

It is an arithmetic number, because the mean of its divisors is an integer number (11303579).

Almost surely, 2^77474996 is an apocalyptic number.

It is an amenable number.

77474996 is a deficient number, since it is larger than the sum of its proper divisors (58167952).

77474996 is a wasteful number, since it uses less digits than its factorization.

77474996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8818 (or 8816 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 53.

The square root of 77474996 is about 8801.9881844956. The cubic root of 77474996 is about 426.3050927090.

The spelling of 77474996 in words is "seventy-seven million, four hundred seventy-four thousand, nine hundred ninety-six".