77345446 has 8 divisors (see below), whose sum is σ = 116093160. Its totient is φ = 38647728.

The previous prime is 77345431. The next prime is 77345479. The reversal of 77345446 is 64454377.

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

It is a junction number, because it is equal to n+sod(n) for n = 77345399 and 77345408.

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, 8356 + ... + 14983.

It is an arithmetic number, because the mean of its divisors is an integer number (14511645).

Almost surely, 2^77345446 is an apocalyptic number.

77345446 is a deficient number, since it is larger than the sum of its proper divisors (38747714).

77345446 is a wasteful number, since it uses less digits than its factorization.

77345446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24998.

The product of its digits is 282240, while the sum is 40.

The square root of 77345446 is about 8794.6259727177. The cubic root of 77345446 is about 426.0673444489.

The spelling of 77345446 in words is "seventy-seven million, three hundred forty-five thousand, four hundred forty-six".