71301612 has 24 divisors (see below), whose sum is σ = 171738112. Its totient is φ = 23000400.

The previous prime is 71301577. The next prime is 71301617. The reversal of 71301612 is 21610317.

It is not an unprimeable number, because it can be changed into a prime (71301617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95464 + ... + 96207.

Almost surely, 2^71301612 is an apocalyptic number.

It is an amenable number.

71301612 is an abundant number, since it is smaller than the sum of its proper divisors (100436500).

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

71301612 is a wasteful number, since it uses less digits than its factorization.

71301612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191709 (or 191707 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 71301612 is about 8444.0281856469. The cubic root of 71301612 is about 414.6672941866.

Adding to 71301612 its reverse (21610317), we get a palindrome (92911929).

The spelling of 71301612 in words is "seventy-one million, three hundred one thousand, six hundred twelve".