71437453 has 2 divisors, whose sum is σ = 71437454. Its totient is φ = 71437452.

The previous prime is 71437439. The next prime is 71437459. The reversal of 71437453 is 35473417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41822089 + 29615364 = 6467^2 + 5442^2 .

It is a cyclic number.

It is not a de Polignac number, because 71437453 - 2¹³ = 71429261 is a prime.

It is a super-2 number, since 2×71437453² = 10206619382254418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71437459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35718726 + 35718727.

It is an arithmetic number, because the mean of its divisors is an integer number (35718727).

Almost surely, 2^71437453 is an apocalyptic number.

It is an amenable number.

71437453 is a deficient number, since it is larger than the sum of its proper divisors (1).

71437453 is an equidigital number, since it uses as much as digits as its factorization.

71437453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 34.

The square root of 71437453 is about 8452.0679718043. The cubic root of 71437453 is about 414.9304630189.

The spelling of 71437453 in words is "seventy-one million, four hundred thirty-seven thousand, four hundred fifty-three".