77620006 has 8 divisors (see below), whose sum is σ = 119576880. Its totient is φ = 37761048.

The previous prime is 77619991. The next prime is 77620007. The reversal of 77620006 is 60002677.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77620007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524386 + ... + 524533.

It is an arithmetic number, because the mean of its divisors is an integer number (14947110).

Almost surely, 2^77620006 is an apocalyptic number.

77620006 is a deficient number, since it is larger than the sum of its proper divisors (41956874).

77620006 is a wasteful number, since it uses less digits than its factorization.

77620006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048958.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 77620006 is about 8810.2216771203. The cubic root of 77620006 is about 426.5708987805.

The spelling of 77620006 in words is "seventy-seven million, six hundred twenty thousand, six".