71426155 has 8 divisors (see below), whose sum is σ = 89438112. Its totient is φ = 54656448.

The previous prime is 71426153. The next prime is 71426161. The reversal of 71426155 is 55162417.

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 71426155 - 2¹ = 71426153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71426153) 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, 310434 + ... + 310663.

It is an arithmetic number, because the mean of its divisors is an integer number (11179764).

Almost surely, 2^71426155 is an apocalyptic number.

71426155 is a deficient number, since it is larger than the sum of its proper divisors (18011957).

71426155 is a wasteful number, since it uses less digits than its factorization.

71426155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621125.

The product of its digits is 8400, while the sum is 31.

The square root of 71426155 is about 8451.3995882339. The cubic root of 71426155 is about 414.9085877918.

The spelling of 71426155 in words is "seventy-one million, four hundred twenty-six thousand, one hundred fifty-five".