42994610 has 16 divisors (see below), whose sum is σ = 77794776. Its totient is φ = 17107968.

The previous prime is 42994603. The next prime is 42994639. The reversal of 42994610 is 1649924.

It can be written as a sum of positive squares in 4 ways, for example, as 35988001 + 7006609 = 5999^2 + 2647^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9209 + ... + 13068.

Almost surely, 2^42994610 is an apocalyptic number.

42994610 is a deficient number, since it is larger than the sum of its proper divisors (34800166).

42994610 is a wasteful number, since it uses less digits than its factorization.

42994610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22477.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 42994610 is about 6557.0275277751. The cubic root of 42994610 is about 350.3251671979.

The spelling of 42994610 in words is "forty-two million, nine hundred ninety-four thousand, six hundred ten".