77942006 has 8 divisors (see below), whose sum is σ = 116976720. Its totient is φ = 38949768.

The previous prime is 77941999. The next prime is 77942021. The reversal of 77942006 is 60024977.

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

It is a Curzon number.

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, 5546 + ... + 13661.

It is an arithmetic number, because the mean of its divisors is an integer number (14622090).

Almost surely, 2^77942006 is an apocalyptic number.

77942006 is a deficient number, since it is larger than the sum of its proper divisors (39034714).

77942006 is a wasteful number, since it uses less digits than its factorization.

77942006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21238.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 77942006 is about 8828.4769920978. The cubic root of 77942006 is about 427.1599493645.

The spelling of 77942006 in words is "seventy-seven million, nine hundred forty-two thousand, six".