42964779 has 16 divisors (see below), whose sum is σ = 67302144. Its totient is φ = 24036000.

The previous prime is 42964771. The next prime is 42964781. The reversal of 42964779 is 97746924.

It is not a de Polignac number, because 42964779 - 2³ = 42964771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42964771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49647 + ... + 50504.

It is an arithmetic number, because the mean of its divisors is an integer number (4206384).

Almost surely, 2^42964779 is an apocalyptic number.

42964779 is a deficient number, since it is larger than the sum of its proper divisors (24337365).

42964779 is a wasteful number, since it uses less digits than its factorization.

42964779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100178.

The product of its digits is 762048, while the sum is 48.

The square root of 42964779 is about 6554.7523980697. The cubic root of 42964779 is about 350.2441262801.

The spelling of 42964779 in words is "forty-two million, nine hundred sixty-four thousand, seven hundred seventy-nine".