71361402 has 64 divisors (see below), whose sum is σ = 172972800. Its totient is φ = 19192320.

The previous prime is 71361391. The next prime is 71361439. The reversal of 71361402 is 20416317.

71361402 = 489² + 490² + ... + 691².

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49224 + ... + 50652.

It is an arithmetic number, because the mean of its divisors is an integer number (2702700).

Almost surely, 2^71361402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71361402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86486400).

71361402 is an abundant number, since it is smaller than the sum of its proper divisors (101611398).

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

71361402 is a wasteful number, since it uses less digits than its factorization.

71361402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 71361402 is about 8447.5678156497. The cubic root of 71361402 is about 414.7831682882.

Adding to 71361402 its reverse (20416317), we get a palindrome (91777719).

The spelling of 71361402 in words is "seventy-one million, three hundred sixty-one thousand, four hundred two".