81733035 has 8 divisors (see below), whose sum is σ = 130772880. Its totient is φ = 43590944.

The previous prime is 81733033. The next prime is 81733051. The reversal of 81733035 is 53033718.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 81733035 - 2¹ = 81733033 is a prime.

It is a super-2 number, since 2×81733035² = 13360578020622450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 81732993 and 81733011.

It is not an unprimeable number, because it can be changed into a prime (81733031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2724420 + ... + 2724449.

It is an arithmetic number, because the mean of its divisors is an integer number (16346610).

Almost surely, 2^81733035 is an apocalyptic number.

81733035 is a deficient number, since it is larger than the sum of its proper divisors (49039845).

81733035 is a wasteful number, since it uses less digits than its factorization.

81733035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5448877.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 81733035 is about 9040.6324446910. The cubic root of 81733035 is about 433.9761626215.

The spelling of 81733035 in words is "eighty-one million, seven hundred thirty-three thousand, thirty-five".