71428126 has 32 divisors (see below), whose sum is σ = 134120448. Its totient is φ = 27716640.

The previous prime is 71428121. The next prime is 71428127. The reversal of 71428126 is 62182417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71428121) 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 15 ways as a sum of consecutive naturals, for example, 44331 + ... + 45913.

It is an arithmetic number, because the mean of its divisors is an integer number (4191264).

Almost surely, 2^71428126 is an apocalyptic number.

71428126 is a deficient number, since it is larger than the sum of its proper divisors (62692322).

71428126 is a wasteful number, since it uses less digits than its factorization.

71428126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896.

The product of its digits is 5376, while the sum is 31.

The square root of 71428126 is about 8451.5161953344. The cubic root of 71428126 is about 414.9124042150.

The spelling of 71428126 in words is "seventy-one million, four hundred twenty-eight thousand, one hundred twenty-six".