42382971 has 12 divisors (see below), whose sum is σ = 62713560. Its totient is φ = 27565920.

The previous prime is 42382961. The next prime is 42382973. The reversal of 42382971 is 17928324.

It is not a de Polignac number, because 42382971 - 2⁷ = 42382843 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (42382973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57061 + ... + 57798.

It is an arithmetic number, because the mean of its divisors is an integer number (5226130).

Almost surely, 2^42382971 is an apocalyptic number.

42382971 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

42382971 is a deficient number, since it is larger than the sum of its proper divisors (20330589).

42382971 is a wasteful number, since it uses less digits than its factorization.

42382971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114906 (or 114903 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 42382971 is about 6510.2205031781. The cubic root of 42382971 is about 348.6559911565.

The spelling of 42382971 in words is "forty-two million, three hundred eighty-two thousand, nine hundred seventy-one".