71295751 has 2 divisors, whose sum is σ = 71295752. Its totient is φ = 71295750.

The previous prime is 71295743. The next prime is 71295769. The reversal of 71295751 is 15759217.

It is a weak prime.

It is an emirp because it is prime and its reverse (15759217) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71295751 - 2³ = 71295743 is a prime.

It is a super-2 number, since 2×71295751² = 10166168221308002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71295751.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71295251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35647875 + 35647876.

It is an arithmetic number, because the mean of its divisors is an integer number (35647876).

Almost surely, 2^71295751 is an apocalyptic number.

71295751 is a deficient number, since it is larger than the sum of its proper divisors (1).

71295751 is an equidigital number, since it uses as much as digits as its factorization.

71295751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22050, while the sum is 37.

The square root of 71295751 is about 8443.6811285126. The cubic root of 71295751 is about 414.6559319769.

It can be divided in two parts, 7129 and 5751, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 71295751 in words is "seventy-one million, two hundred ninety-five thousand, seven hundred fifty-one".