42917319 has 24 divisors (see below), whose sum is σ = 63619712. Its totient is φ = 27870480.

The previous prime is 42917317. The next prime is 42917339. The reversal of 42917319 is 91371924.

It is not a de Polignac number, because 42917319 - 2¹ = 42917317 is a prime.

It is a super-2 number, since 2×42917319² = 3683792540295522, which contains 22 as substring.

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 a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42917317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61764 + ... + 62454.

Almost surely, 2^42917319 is an apocalyptic number.

42917319 is a deficient number, since it is larger than the sum of its proper divisors (20702393).

42917319 is a wasteful number, since it uses less digits than its factorization.

42917319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867 (or 864 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 42917319 is about 6551.1311237068. The cubic root of 42917319 is about 350.1151158754.

The spelling of 42917319 in words is "forty-two million, nine hundred seventeen thousand, three hundred nineteen".