71507413072328 has 8 divisors (see below), whose sum is σ = 134076399510630. Its totient is φ = 35753706536160.

The previous prime is 71507413072283. The next prime is 71507413072373. The reversal of 71507413072328 is 82327031470517.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (71507413072283) and next prime (71507413072373).

It can be written as a sum of positive squares in only one way, i.e., 45028958171044 + 26478454901284 = 6710362^2 + 5145722^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×71507413072328² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4469213317013 + ... + 4469213317028.

Almost surely, 2^{71507413072328} is an apocalyptic number.

It is an amenable number.

71507413072328 is a deficient number, since it is larger than the sum of its proper divisors (62568986438302).

71507413072328 is a wasteful number, since it uses less digits than its factorization.

71507413072328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8938426634047 (or 8938426634043 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 71507413072328 in words is "seventy-one trillion, five hundred seven billion, four hundred thirteen million, seventy-two thousand, three hundred twenty-eight".