42364377 has 36 divisors (see below), whose sum is σ = 69438096. Its totient is φ = 25631640.

The previous prime is 42364339. The next prime is 42364379. The reversal of 42364377 is 77346324.

It is a happy number.

42364377 is a `hidden beast` number, since 4 + 2 + 3 + 643 + 7 + 7 = 666.

It is not a de Polignac number, because 42364377 - 2⁸ = 42364121 is a prime.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (42364379) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 71878 + ... + 72464.

It is an arithmetic number, because the mean of its divisors is an integer number (1928836).

Almost surely, 2^42364377 is an apocalyptic number.

It is an amenable number.

42364377 is a deficient number, since it is larger than the sum of its proper divisors (27073719).

42364377 is an frugal number, since it uses more digits than its factorization.

With its successor (42364378) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (622).

42364377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 601 counting only the distinct ones).

The product of its digits is 84672, while the sum is 36.

The square root of 42364377 is about 6508.7922842875. The cubic root of 42364377 is about 348.6049969511.

The spelling of 42364377 in words is "forty-two million, three hundred sixty-four thousand, three hundred seventy-seven".