71061430 has 16 divisors (see below), whose sum is σ = 139539024. Its totient is φ = 25840480.

The previous prime is 71061409. The next prime is 71061433. The reversal of 71061430 is 3416017.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71061433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322897 + ... + 323116.

It is an arithmetic number, because the mean of its divisors is an integer number (8721189).

Almost surely, 2^71061430 is an apocalyptic number.

71061430 is a deficient number, since it is larger than the sum of its proper divisors (68477594).

71061430 is a wasteful number, since it uses less digits than its factorization.

71061430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646031.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 71061430 is about 8429.7941849134. The cubic root of 71061430 is about 414.2011632560.

Adding to 71061430 its reverse (3416017), we get a palindrome (74477447).

The spelling of 71061430 in words is "seventy-one million, sixty-one thousand, four hundred thirty".