77344006 has 4 divisors (see below), whose sum is σ = 116016012. Its totient is φ = 38672002.

The previous prime is 77343991. The next prime is 77344019. The reversal of 77344006 is 60044377.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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, 19336000 + ... + 19336003.

It is an arithmetic number, because the mean of its divisors is an integer number (29004003).

Almost surely, 2^77344006 is an apocalyptic number.

77344006 is a deficient number, since it is larger than the sum of its proper divisors (38672006).

77344006 is a wasteful number, since it uses less digits than its factorization.

77344006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38672005.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 77344006 is about 8794.5441041591. The cubic root of 77344006 is about 426.0647002907.

It can be divided in two parts, 77 and 344006, that multiplied together give a palindrome (26488462).

The spelling of 77344006 in words is "seventy-seven million, three hundred forty-four thousand, six".