71554230 has 48 divisors (see below), whose sum is σ = 202956624. Its totient is φ = 17346240.

The previous prime is 71554211. The next prime is 71554237. The reversal of 71554230 is 3245517.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 71554194 and 71554203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71554237) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 35149 + ... + 37128.

It is an arithmetic number, because the mean of its divisors is an integer number (4228263).

Almost surely, 2^71554230 is an apocalyptic number.

71554230 is an abundant number, since it is smaller than the sum of its proper divisors (131402394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71554230 is a wasteful number, since it uses less digits than its factorization.

71554230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72301 (or 72298 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 71554230 is about 8458.9733419606. The cubic root of 71554230 is about 415.1564320507.

Adding to 71554230 its reverse (3245517), we get a palindrome (74799747).

It can be divided in two parts, 715 and 54230, that added together give a palindrome (54945).

The spelling of 71554230 in words is "seventy-one million, five hundred fifty-four thousand, two hundred thirty".