26470042 has 4 divisors (see below), whose sum is σ = 39705066. Its totient is φ = 13235020.

The previous prime is 26470013. The next prime is 26470049. The reversal of 26470042 is 24007462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24007462 = 2 ⋅12003731.

It can be written as a sum of positive squares in only one way, i.e., 17464041 + 9006001 = 4179^2 + 3001^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26469989 and 26470016.

It is not an unprimeable number, because it can be changed into a prime (26470049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6617509 + ... + 6617512.

Almost surely, 2^26470042 is an apocalyptic number.

26470042 is a deficient number, since it is larger than the sum of its proper divisors (13235024).

26470042 is a wasteful number, since it uses less digits than its factorization.

26470042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13235023.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 26470042 is about 5144.9044694727. The cubic root of 26470042 is about 298.0242086544.

The spelling of 26470042 in words is "twenty-six million, four hundred seventy thousand, forty-two".