42607961 has 8 divisors (see below), whose sum is σ = 46942848. Its totient is φ = 38350000.

The previous prime is 42607927. The next prime is 42607963. The reversal of 42607961 is 16970624.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42607961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42607963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18065 + ... + 20286.

It is an arithmetic number, because the mean of its divisors is an integer number (5867856).

Almost surely, 2^42607961 is an apocalyptic number.

It is an amenable number.

42607961 is a deficient number, since it is larger than the sum of its proper divisors (4334887).

42607961 is a wasteful number, since it uses less digits than its factorization.

42607961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38463.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 42607961 is about 6527.4773841048. The cubic root of 42607961 is about 349.2718494495.

It can be divided in two parts, 4260 and 7961, that added together give a palindrome (12221).

The spelling of 42607961 in words is "forty-two million, six hundred seven thousand, nine hundred sixty-one".