77381006 has 8 divisors (see below), whose sum is σ = 116117544. Its totient is φ = 38675160.

The previous prime is 77380999. The next prime is 77381011. The reversal of 77381006 is 60018377.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281 + ... + 12443.

It is an arithmetic number, because the mean of its divisors is an integer number (14514693).

Almost surely, 2^77381006 is an apocalyptic number.

77381006 is a deficient number, since it is larger than the sum of its proper divisors (38736538).

77381006 is a wasteful number, since it uses less digits than its factorization.

77381006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15346.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 77381006 is about 8796.6474295609. The cubic root of 77381006 is about 426.1326300571.

The spelling of 77381006 in words is "seventy-seven million, three hundred eighty-one thousand, six".