71350470 has 80 divisors (see below), whose sum is σ = 195235920. Its totient is φ = 18691776.

The previous prime is 71350463. The next prime is 71350471. The reversal of 71350470 is 7405317.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71350471) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 47044 + ... + 48536.

It is an arithmetic number, because the mean of its divisors is an integer number (2440449).

Almost surely, 2^71350470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71350470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97617960).

71350470 is an abundant number, since it is smaller than the sum of its proper divisors (123885450).

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

71350470 is a wasteful number, since it uses less digits than its factorization.

71350470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571 (or 1562 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 71350470 is about 8446.9207407197. The cubic root of 71350470 is about 414.7619867108.

Adding to 71350470 its reverse (7405317), we get a palindrome (78755787).

The spelling of 71350470 in words is "seventy-one million, three hundred fifty thousand, four hundred seventy".