71756053 has 2 divisors, whose sum is σ = 71756054. Its totient is φ = 71756052.

The previous prime is 71756029. The next prime is 71756057. The reversal of 71756053 is 35065717.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64368529 + 7387524 = 8023^2 + 2718^2 .

It is an emirp because it is prime and its reverse (35065717) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71756053 - 2¹³ = 71747861 is a prime.

It is a super-2 number, since 2×71756053² = 10297862284277618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71756057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35878026 + 35878027.

It is an arithmetic number, because the mean of its divisors is an integer number (35878027).

Almost surely, 2^71756053 is an apocalyptic number.

It is an amenable number.

71756053 is a deficient number, since it is larger than the sum of its proper divisors (1).

71756053 is an equidigital number, since it uses as much as digits as its factorization.

71756053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 71756053 is about 8470.8944628062. The cubic root of 71756053 is about 415.5463901907.

The spelling of 71756053 in words is "seventy-one million, seven hundred fifty-six thousand, fifty-three".