42479001 has 6 divisors (see below), whose sum is σ = 61358570. Its totient is φ = 28319328.

The previous prime is 42478991. The next prime is 42479009. The reversal of 42479001 is 10097424.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 41990400 + 488601 = 6480^2 + 699^2 .

It is not a de Polignac number, because 42479001 - 2¹¹ = 42476953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42479009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2359936 + ... + 2359953.

Almost surely, 2^42479001 is an apocalyptic number.

It is an amenable number.

42479001 is a deficient number, since it is larger than the sum of its proper divisors (18879569).

42479001 is a wasteful number, since it uses less digits than its factorization.

42479001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719895 (or 4719892 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 42479001 is about 6517.5916564326. The cubic root of 42479001 is about 348.9191171146.

The spelling of 42479001 in words is "forty-two million, four hundred seventy-nine thousand, one".