77407036 has 12 divisors (see below), whose sum is σ = 154814128. Its totient is φ = 33174432.

The previous prime is 77406991. The next prime is 77407039. The reversal of 77407036 is 63070477.

It is a happy number.

77407036 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 77406992 and 77407010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77407039) by changing a digit.

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, 1382241 + ... + 1382296.

Almost surely, 2^77407036 is an apocalyptic number.

It is an amenable number.

77407036 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77407036 is a wasteful number, since it uses less digits than its factorization.

77407036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764548 (or 2764546 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 34.

The square root of 77407036 is about 8798.1268460963. The cubic root of 77407036 is about 426.1804065912.

The spelling of 77407036 in words is "seventy-seven million, four hundred seven thousand, thirty-six".