71353470 has 32 divisors (see below), whose sum is σ = 172951200. Its totient is φ = 18838400.

The previous prime is 71353439. The next prime is 71353481. The reversal of 71353470 is 7435317.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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, 8745 + ... + 14804.

It is an arithmetic number, because the mean of its divisors is an integer number (5404725).

Almost surely, 2^71353470 is an apocalyptic number.

71353470 is an abundant number, since it is smaller than the sum of its proper divisors (101597730).

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

71353470 is a wasteful number, since it uses less digits than its factorization.

71353470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23660.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 71353470 is about 8447.0983183576. The cubic root of 71353470 is about 414.7677996533.

Adding to 71353470 its reverse (7435317), we get a palindrome (78788787).

The spelling of 71353470 in words is "seventy-one million, three hundred fifty-three thousand, four hundred seventy".