71464157 has 2 divisors, whose sum is σ = 71464158. Its totient is φ = 71464156.

The previous prime is 71464147. The next prime is 71464171. The reversal of 71464157 is 75146417.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43943641 + 27520516 = 6629^2 + 5246^2 .

It is an emirp because it is prime and its reverse (75146417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71464157 - 2⁸ = 71463901 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71464117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35732078 + 35732079.

It is an arithmetic number, because the mean of its divisors is an integer number (35732079).

Almost surely, 2^71464157 is an apocalyptic number.

It is an amenable number.

71464157 is a deficient number, since it is larger than the sum of its proper divisors (1).

71464157 is an equidigital number, since it uses as much as digits as its factorization.

71464157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 35.

The square root of 71464157 is about 8453.6475559370. The cubic root of 71464157 is about 414.9821582304.

The spelling of 71464157 in words is "seventy-one million, four hundred sixty-four thousand, one hundred fifty-seven".