71226375 has 64 divisors (see below), whose sum is σ = 133705728. Its totient is φ = 33360000.

The previous prime is 71226341. The next prime is 71226391. The reversal of 71226375 is 57362217.

It is not a de Polignac number, because 71226375 - 2⁸ = 71226119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 127597 + ... + 128153.

It is an arithmetic number, because the mean of its divisors is an integer number (2089152).

Almost surely, 2^71226375 is an apocalyptic number.

71226375 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

71226375 is a deficient number, since it is larger than the sum of its proper divisors (62479353).

71226375 is a wasteful number, since it uses less digits than its factorization.

71226375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617 (or 607 counting only the distinct ones).

The product of its digits is 17640, while the sum is 33.

The square root of 71226375 is about 8439.5719678192. The cubic root of 71226375 is about 414.5213914400.

The spelling of 71226375 in words is "seventy-one million, two hundred twenty-six thousand, three hundred seventy-five".