42764091 has 8 divisors (see below), whose sum is σ = 57225744. Its totient is φ = 28405920.

The previous prime is 42764089. The next prime is 42764101. The reversal of 42764091 is 19046724.

It is a happy number.

42764091 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 42764091 - 2¹ = 42764089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42764011) 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, 24900 + ... + 26561.

It is an arithmetic number, because the mean of its divisors is an integer number (7153218).

Almost surely, 2^42764091 is an apocalyptic number.

42764091 is a deficient number, since it is larger than the sum of its proper divisors (14461653).

42764091 is a wasteful number, since it uses less digits than its factorization.

42764091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51741.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 42764091 is about 6539.4258922324. The cubic root of 42764091 is about 349.6979462020.

The spelling of 42764091 in words is "forty-two million, seven hundred sixty-four thousand, ninety-one".