71450612 has 6 divisors (see below), whose sum is σ = 125038578. Its totient is φ = 35725304.

The previous prime is 71450611. The next prime is 71450683. The reversal of 71450612 is 21605417.

It can be written as a sum of positive squares in only one way, i.e., 53523856 + 17926756 = 7316^2 + 4234^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71450611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8931323 + ... + 8931330.

It is an arithmetic number, because the mean of its divisors is an integer number (20839763).

Almost surely, 2^71450612 is an apocalyptic number.

It is an amenable number.

71450612 is a deficient number, since it is larger than the sum of its proper divisors (53587966).

71450612 is a wasteful number, since it uses less digits than its factorization.

71450612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17862657 (or 17862655 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 71450612 is about 8452.8463845027. The cubic root of 71450612 is about 414.9559386133.

The spelling of 71450612 in words is "seventy-one million, four hundred fifty thousand, six hundred twelve".