42479177 has 8 divisors (see below), whose sum is σ = 45811080. Its totient is φ = 39156480.

The previous prime is 42479167. The next prime is 42479197. The reversal of 42479177 is 77197424.

It can be written as a sum of positive squares in 4 ways, for example, as 436921 + 42042256 = 661^2 + 6484^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42479177 - 2⁴ = 42479161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42479147) 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, 9599 + ... + 13307.

It is an arithmetic number, because the mean of its divisors is an integer number (5726385).

Almost surely, 2^42479177 is an apocalyptic number.

It is an amenable number.

42479177 is a deficient number, since it is larger than the sum of its proper divisors (3331903).

42479177 is a wasteful number, since it uses less digits than its factorization.

42479177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4603.

The product of its digits is 98784, while the sum is 41.

The square root of 42479177 is about 6517.6051583385. The cubic root of 42479177 is about 348.9195989972.

The spelling of 42479177 in words is "forty-two million, four hundred seventy-nine thousand, one hundred seventy-seven".