42377499 has 20 divisors (see below), whose sum is σ = 63594696. Its totient is φ = 28238544.

The previous prime is 42377459. The next prime is 42377507. The reversal of 42377499 is 99477324.

It is not a de Polignac number, because 42377499 - 2¹² = 42373403 is a prime.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (42377459) 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 19 ways as a sum of consecutive naturals, for example, 18607 + ... + 20759.

Almost surely, 2^42377499 is an apocalyptic number.

42377499 is a deficient number, since it is larger than the sum of its proper divisors (21217197).

42377499 is an frugal number, since it uses more digits than its factorization.

42377499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180 (or 2156 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 42377499 is about 6509.8002273495. The cubic root of 42377499 is about 348.6409856983.

The spelling of 42377499 in words is "forty-two million, three hundred seventy-seven thousand, four hundred ninety-nine".