71212332 has 48 divisors (see below), whose sum is σ = 175214592. Its totient is φ = 22477440.

The previous prime is 71212319. The next prime is 71212369. The reversal of 71212332 is 23321217.

It is a junction number, because it is equal to n+sod(n) for n = 71212299 and 71212308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15448 + ... + 19520.

It is an arithmetic number, because the mean of its divisors is an integer number (3650304).

Almost surely, 2^71212332 is an apocalyptic number.

It is an amenable number.

71212332 is an abundant number, since it is smaller than the sum of its proper divisors (104002260).

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

71212332 is a wasteful number, since it uses less digits than its factorization.

71212332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4158 (or 4156 counting only the distinct ones).

The product of its digits is 504, while the sum is 21.

The square root of 71212332 is about 8438.7399533343. The cubic root of 71212332 is about 414.4941472883.

Adding to 71212332 its reverse (23321217), we get a palindrome (94533549).

It can be divided in two parts, 7121 and 2332, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 71212332 in words is "seventy-one million, two hundred twelve thousand, three hundred thirty-two".