42479764 has 12 divisors (see below), whose sum is σ = 75600000. Its totient is φ = 20879768.

The previous prime is 42479761. The next prime is 42479771. The reversal of 42479764 is 46797424.

It is a self number, because there is not a number n which added to its sum of digits gives 42479764.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42479761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89764 + ... + 90235.

It is an arithmetic number, because the mean of its divisors is an integer number (6300000).

Almost surely, 2^42479764 is an apocalyptic number.

It is an amenable number.

42479764 is a deficient number, since it is larger than the sum of its proper divisors (33120236).

42479764 is a wasteful number, since it uses less digits than its factorization.

42479764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180062 (or 180060 counting only the distinct ones).

The product of its digits is 338688, while the sum is 43.

The square root of 42479764 is about 6517.6501900608. The cubic root of 42479764 is about 348.9212061757.

The spelling of 42479764 in words is "forty-two million, four hundred seventy-nine thousand, seven hundred sixty-four".