42607394 has 4 divisors (see below), whose sum is σ = 63911094. Its totient is φ = 21303696.

The previous prime is 42607391. The next prime is 42607403. The reversal of 42607394 is 49370624.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40005625 + 2601769 = 6325^2 + 1613^2 .

It is not an unprimeable number, because it can be changed into a prime (42607391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10651847 + ... + 10651850.

Almost surely, 2^42607394 is an apocalyptic number.

42607394 is a deficient number, since it is larger than the sum of its proper divisors (21303700).

42607394 is a wasteful number, since it uses less digits than its factorization.

42607394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21303699.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 42607394 is about 6527.4339521745. The cubic root of 42607394 is about 349.2703001458.

The spelling of 42607394 in words is "forty-two million, six hundred seven thousand, three hundred ninety-four".