42764894 has 16 divisors (see below), whose sum is σ = 68938128. Its totient is φ = 19823232.

The previous prime is 42764893. The next prime is 42764899. The reversal of 42764894 is 49846724.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42764893) 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, 7109 + ... + 11664.

It is an arithmetic number, because the mean of its divisors is an integer number (4308633).

Almost surely, 2^42764894 is an apocalyptic number.

42764894 is a deficient number, since it is larger than the sum of its proper divisors (26173234).

42764894 is a wasteful number, since it uses less digits than its factorization.

42764894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18859.

The product of its digits is 387072, while the sum is 44.

The square root of 42764894 is about 6539.4872887712. The cubic root of 42764894 is about 349.7001349986.

The spelling of 42764894 in words is "forty-two million, seven hundred sixty-four thousand, eight hundred ninety-four".