342505377 has 6 divisors (see below), whose sum is σ = 494730002. Its totient is φ = 228336912.

The previous prime is 342505367. The next prime is 342505379. The reversal of 342505377 is 773505243.

342505377 is a `hidden beast` number, since 34 + 250 + 5 + 377 = 666.

It can be written as a sum of positive squares in only one way, i.e., 323136576 + 19368801 = 17976^2 + 4401^2 .

It is not a de Polignac number, because 342505377 - 2⁷ = 342505249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342505379) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19028068 + ... + 19028085.

Almost surely, 2^342505377 is an apocalyptic number.

It is an amenable number.

342505377 is a deficient number, since it is larger than the sum of its proper divisors (152224625).

342505377 is a wasteful number, since it uses less digits than its factorization.

342505377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38056159 (or 38056156 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 36.

The square root of 342505377 is about 18506.9007940282. The cubic root of 342505377 is about 699.6633598996.

The spelling of 342505377 in words is "three hundred forty-two million, five hundred five thousand, three hundred seventy-seven".