26142730 has 16 divisors (see below), whose sum is σ = 47760480. Its totient is φ = 10300752.

The previous prime is 26142713. The next prime is 26142731. The reversal of 26142730 is 3724162.

It is a junction number, because it is equal to n+sod(n) for n = 26142695 and 26142704.

It is not an unprimeable number, because it can be changed into a prime (26142731) 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 7 ways as a sum of consecutive naturals, for example, 18840 + ... + 20179.

It is an arithmetic number, because the mean of its divisors is an integer number (2985030).

Almost surely, 2^26142730 is an apocalyptic number.

26142730 is a deficient number, since it is larger than the sum of its proper divisors (21617750).

26142730 is a wasteful number, since it uses less digits than its factorization.

26142730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39093.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 26142730 is about 5112.9961861906. The cubic root of 26142730 is about 296.7907166835.

Adding to 26142730 its reverse (3724162), we get a palindrome (29866892).

The spelling of 26142730 in words is "twenty-six million, one hundred forty-two thousand, seven hundred thirty".