77349423 has 16 divisors (see below), whose sum is σ = 105068160. Its totient is φ = 50604576.

The previous prime is 77349421. The next prime is 77349427. The reversal of 77349423 is 32494377.

It is not a de Polignac number, because 77349423 - 2¹ = 77349421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77349421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69193 + ... + 70301.

It is an arithmetic number, because the mean of its divisors is an integer number (6566760).

Almost surely, 2^77349423 is an apocalyptic number.

77349423 is a deficient number, since it is larger than the sum of its proper divisors (27718737).

77349423 is a wasteful number, since it uses less digits than its factorization.

77349423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526.

The product of its digits is 127008, while the sum is 39.

The square root of 77349423 is about 8794.8520737986. The cubic root of 77349423 is about 426.0746469292.

The spelling of 77349423 in words is "seventy-seven million, three hundred forty-nine thousand, four hundred twenty-three".