77230506 has 8 divisors (see below), whose sum is σ = 154461024. Its totient is φ = 25743500.

The previous prime is 77230493. The next prime is 77230523. The reversal of 77230506 is 60503277.

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

77230506 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6435870 + ... + 6435881.

It is an arithmetic number, because the mean of its divisors is an integer number (19307628).

Almost surely, 2^77230506 is an apocalyptic number.

77230506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77230506 is a wasteful number, since it uses less digits than its factorization.

77230506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12871756.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 77230506 is about 8788.0888707386. The cubic root of 77230506 is about 425.8561858882.

The spelling of 77230506 in words is "seventy-seven million, two hundred thirty thousand, five hundred six".