42621194 has 32 divisors (see below), whose sum is σ = 80510976. Its totient is φ = 16438320.

The previous prime is 42621157. The next prime is 42621197. The reversal of 42621194 is 49112624.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42621197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14519 + ... + 17205.

It is an arithmetic number, because the mean of its divisors is an integer number (2515968).

Almost surely, 2^42621194 is an apocalyptic number.

42621194 is a deficient number, since it is larger than the sum of its proper divisors (37889782).

42621194 is a wasteful number, since it uses less digits than its factorization.

42621194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810.

The product of its digits is 3456, while the sum is 29.

The square root of 42621194 is about 6528.4909435489. The cubic root of 42621194 is about 349.3080041639.

The spelling of 42621194 in words is "forty-two million, six hundred twenty-one thousand, one hundred ninety-four".