71536733 has 4 divisors (see below), whose sum is σ = 72749280. Its totient is φ = 70324188.

The previous prime is 71536727. The next prime is 71536769. The reversal of 71536733 is 33763517.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71536733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71536693 and 71536702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71536033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606185 + ... + 606302.

It is an arithmetic number, because the mean of its divisors is an integer number (18187320).

Almost surely, 2^71536733 is an apocalyptic number.

It is an amenable number.

71536733 is a deficient number, since it is larger than the sum of its proper divisors (1212547).

71536733 is a wasteful number, since it uses less digits than its factorization.

71536733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212546.

The product of its digits is 39690, while the sum is 35.

The square root of 71536733 is about 8457.9390515657. The cubic root of 71536733 is about 415.1225901928.

The spelling of 71536733 in words is "seventy-one million, five hundred thirty-six thousand, seven hundred thirty-three".