42475691 has 8 divisors (see below), whose sum is σ = 44027280. Its totient is φ = 40929952.

The previous prime is 42475669. The next prime is 42475709. The reversal of 42475691 is 19657424.

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

It is a cyclic number.

It is not a de Polignac number, because 42475691 - 2⁶ = 42475627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42475091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17816 + ... + 20058.

It is an arithmetic number, because the mean of its divisors is an integer number (5503410).

Almost surely, 2^42475691 is an apocalyptic number.

42475691 is a deficient number, since it is larger than the sum of its proper divisors (1551589).

42475691 is a wasteful number, since it uses less digits than its factorization.

42475691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925.

The product of its digits is 60480, while the sum is 38.

The square root of 42475691 is about 6517.3377233346. The cubic root of 42475691 is about 348.9100541874.

The spelling of 42475691 in words is "forty-two million, four hundred seventy-five thousand, six hundred ninety-one".