71535733 has 2 divisors, whose sum is σ = 71535734. Its totient is φ = 71535732.

The previous prime is 71535713. The next prime is 71535767. The reversal of 71535733 is 33753517.

It is a happy number.

It is an a-pointer prime, because the next prime (71535767) can be obtained adding 71535733 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71520849 + 14884 = 8457^2 + 122^2 .

It is a cyclic number.

It is not a de Polignac number, because 71535733 - 2¹³ = 71527541 is a prime.

It is a super-2 number, since 2×71535733² = 10234722191694578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71535713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35767866 + 35767867.

It is an arithmetic number, because the mean of its divisors is an integer number (35767867).

Almost surely, 2^71535733 is an apocalyptic number.

It is an amenable number.

71535733 is a deficient number, since it is larger than the sum of its proper divisors (1).

71535733 is an equidigital number, since it uses as much as digits as its factorization.

71535733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33075, while the sum is 34.

The square root of 71535733 is about 8457.8799353029. The cubic root of 71535733 is about 415.1206558741.

The spelling of 71535733 in words is "seventy-one million, five hundred thirty-five thousand, seven hundred thirty-three".