77349419 has 8 divisors (see below), whose sum is σ = 90067680. Its totient is φ = 65048256.

The previous prime is 77349407. The next prime is 77349421. The reversal of 77349419 is 91494377.

It is a happy number.

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

It is not a de Polignac number, because 77349419 - 2⁸ = 77349163 is a prime.

It is a super-2 number, since 2×77349419² = 11965865239275122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77349419.

It is not an unprimeable number, because it can be changed into a prime (77349479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103874 + ... + 104615.

It is an arithmetic number, because the mean of its divisors is an integer number (11258460).

Almost surely, 2^77349419 is an apocalyptic number.

77349419 is a deficient number, since it is larger than the sum of its proper divisors (12718261).

77349419 is a wasteful number, since it uses less digits than its factorization.

77349419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208549.

The product of its digits is 190512, while the sum is 44.

The square root of 77349419 is about 8794.8518463929. The cubic root of 77349419 is about 426.0746395846.

The spelling of 77349419 in words is "seventy-seven million, three hundred forty-nine thousand, four hundred nineteen".