77673038 has 4 divisors (see below), whose sum is σ = 116509560. Its totient is φ = 38836518.

The previous prime is 77673031. The next prime is 77673053. The reversal of 77673038 is 83037677.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 77672986 and 77673004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77673031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19418258 + ... + 19418261.

It is an arithmetic number, because the mean of its divisors is an integer number (29127390).

Almost surely, 2^77673038 is an apocalyptic number.

77673038 is a deficient number, since it is larger than the sum of its proper divisors (38836522).

77673038 is a wasteful number, since it uses less digits than its factorization.

77673038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38836521.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 77673038 is about 8813.2308491268. The cubic root of 77673038 is about 426.6680247624.

The spelling of 77673038 in words is "seventy-seven million, six hundred seventy-three thousand, thirty-eight".