42918357 has 8 divisors (see below), whose sum is σ = 57481984. Its totient is φ = 28483488.

The previous prime is 42918331. The next prime is 42918377. The reversal of 42918357 is 75381924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42918357 - 2¹⁴ = 42901973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42918307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31408 + ... + 32745.

It is an arithmetic number, because the mean of its divisors is an integer number (7185248).

Almost surely, 2^42918357 is an apocalyptic number.

It is an amenable number.

42918357 is a deficient number, since it is larger than the sum of its proper divisors (14563627).

42918357 is a wasteful number, since it uses less digits than its factorization.

42918357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64379.

The product of its digits is 60480, while the sum is 39.

The square root of 42918357 is about 6551.2103461879. The cubic root of 42918357 is about 350.1179384854.

The spelling of 42918357 in words is "forty-two million, nine hundred eighteen thousand, three hundred fifty-seven".