42691465 has 8 divisors (see below), whose sum is σ = 51847488. Its totient is φ = 33741360.

The previous prime is 42691417. The next prime is 42691469. The reversal of 42691465 is 56419624.

42691465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42691465 - 2⁹ = 42690953 is a prime.

It is a super-2 number, since 2×42691465² = 3645122367692450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42691469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51021 + ... + 51850.

It is an arithmetic number, because the mean of its divisors is an integer number (6480936).

Almost surely, 2^42691465 is an apocalyptic number.

It is an amenable number.

42691465 is a deficient number, since it is larger than the sum of its proper divisors (9156023).

42691465 is a wasteful number, since it uses less digits than its factorization.

42691465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102959.

The product of its digits is 51840, while the sum is 37.

The square root of 42691465 is about 6533.8705986574. The cubic root of 42691465 is about 349.4998707193.

The spelling of 42691465 in words is "forty-two million, six hundred ninety-one thousand, four hundred sixty-five".