42950691 has 24 divisors (see below), whose sum is σ = 71601920. Its totient is φ = 24301296.

The previous prime is 42950689. The next prime is 42950693. The reversal of 42950691 is 19605924.

It is an interprime number because it is at equal distance from previous prime (42950689) and next prime (42950693).

It is not a de Polignac number, because 42950691 - 2¹ = 42950689 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42950693) 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 23 ways as a sum of consecutive naturals, for example, 3180 + ... + 9798.

Almost surely, 2^42950691 is an apocalyptic number.

42950691 is a deficient number, since it is larger than the sum of its proper divisors (28651229).

42950691 is a wasteful number, since it uses less digits than its factorization.

42950691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6735 (or 6732 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 42950691 is about 6553.6776698278. The cubic root of 42950691 is about 350.2058408226.

The spelling of 42950691 in words is "forty-two million, nine hundred fifty thousand, six hundred ninety-one".