42479461 has 4 divisors (see below), whose sum is σ = 43944300. Its totient is φ = 41014624.

The previous prime is 42479431. The next prime is 42479467. The reversal of 42479461 is 16497424.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26718561 + 15760900 = 5169^2 + 3970^2 .

It is a cyclic number.

It is not a de Polignac number, because 42479461 - 2⁹ = 42478949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42479461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42479467) 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, 732376 + ... + 732433.

It is an arithmetic number, because the mean of its divisors is an integer number (10986075).

Almost surely, 2^42479461 is an apocalyptic number.

It is an amenable number.

42479461 is a deficient number, since it is larger than the sum of its proper divisors (1464839).

42479461 is a wasteful number, since it uses less digits than its factorization.

42479461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464838.

The product of its digits is 48384, while the sum is 37.

The square root of 42479461 is about 6517.6269454457. The cubic root of 42479461 is about 348.9203765778.

The spelling of 42479461 in words is "forty-two million, four hundred seventy-nine thousand, four hundred sixty-one".