71748212 has 12 divisors (see below), whose sum is σ = 126262080. Its totient is φ = 35673336.

The previous prime is 71748197. The next prime is 71748227. The reversal of 71748212 is 21284717.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (71748197) and next prime (71748227).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49388 + ... + 50819.

It is an arithmetic number, because the mean of its divisors is an integer number (10521840).

Almost surely, 2^71748212 is an apocalyptic number.

It is an amenable number.

71748212 is a deficient number, since it is larger than the sum of its proper divisors (54513868).

71748212 is a wasteful number, since it uses less digits than its factorization.

71748212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100390 (or 100388 counting only the distinct ones).

The product of its digits is 6272, while the sum is 32.

The square root of 71748212 is about 8470.4316300883. The cubic root of 71748212 is about 415.5312536376.

The spelling of 71748212 in words is "seventy-one million, seven hundred forty-eight thousand, two hundred twelve".