71412102 has 48 divisors (see below), whose sum is σ = 162515808. Its totient is φ = 22619520.

The previous prime is 71412101. The next prime is 71412137. The reversal of 71412102 is 20121417.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71412101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74458 + ... + 75410.

It is an arithmetic number, because the mean of its divisors is an integer number (3385746).

Almost surely, 2^71412102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71412102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81257904).

71412102 is an abundant number, since it is smaller than the sum of its proper divisors (91103706).

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

71412102 is a wasteful number, since it uses less digits than its factorization.

71412102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165 (or 1162 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 71412102 is about 8450.5681465804. The cubic root of 71412102 is about 414.8813751047.

Adding to 71412102 its reverse (20121417), we get a palindrome (91533519).

The spelling of 71412102 in words is "seventy-one million, four hundred twelve thousand, one hundred two".