77373416 has 8 divisors (see below), whose sum is σ = 145075170. Its totient is φ = 38686704.

The previous prime is 77373397. The next prime is 77373431. The reversal of 77373416 is 61437377.

It can be written as a sum of positive squares in only one way, i.e., 73170916 + 4202500 = 8554^2 + 2050^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 77373416.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4835831 + ... + 4835846.

Almost surely, 2^77373416 is an apocalyptic number.

It is an amenable number.

77373416 is a deficient number, since it is larger than the sum of its proper divisors (67701754).

77373416 is a wasteful number, since it uses less digits than its factorization.

77373416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9671683 (or 9671679 counting only the distinct ones).

The product of its digits is 74088, while the sum is 38.

The square root of 77373416 is about 8796.2160046238. The cubic root of 77373416 is about 426.1186970409.

The spelling of 77373416 in words is "seventy-seven million, three hundred seventy-three thousand, four hundred sixteen".