77321346 has 8 divisors (see below), whose sum is σ = 154642704. Its totient is φ = 25773780.

The previous prime is 77321339. The next prime is 77321359. The reversal of 77321346 is 64312377.

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

77321346 is an admirable 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, 6443440 + ... + 6443451.

It is an arithmetic number, because the mean of its divisors is an integer number (19330338).

Almost surely, 2^77321346 is an apocalyptic number.

77321346 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.

77321346 is a wasteful number, since it uses less digits than its factorization.

77321346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12886896.

The product of its digits is 21168, while the sum is 33.

The square root of 77321346 is about 8793.2557110549. The cubic root of 77321346 is about 426.0230872012.

The spelling of 77321346 in words is "seventy-seven million, three hundred twenty-one thousand, three hundred forty-six".