42354066 has 16 divisors (see below), whose sum is σ = 86774688. Its totient is φ = 13773600.

The previous prime is 42354061. The next prime is 42354071. The reversal of 42354066 is 66045324.

It is an interprime number because it is at equal distance from previous prime (42354061) and next prime (42354071).

It is not an unprimeable number, because it can be changed into a prime (42354061) 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, 85840 + ... + 86331.

It is an arithmetic number, because the mean of its divisors is an integer number (5423418).

Almost surely, 2^42354066 is an apocalyptic number.

42354066 is an abundant number, since it is smaller than the sum of its proper divisors (44420622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42354066 is a wasteful number, since it uses less digits than its factorization.

42354066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172217.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 42354066 is about 6508.0001536570. Note that the first 3 decimals coincide. The cubic root of 42354066 is about 348.5767125132.

The spelling of 42354066 in words is "forty-two million, three hundred fifty-four thousand, sixty-six".