90647733 has 8 divisors (see below), whose sum is σ = 131851296. Its totient is φ = 54938000.

The previous prime is 90647731. The next prime is 90647737. The reversal of 90647733 is 33774609.

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 90647733 - 2¹ = 90647731 is a prime.

It is a super-2 number, since 2×90647733² = 16434022996078578, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 90647691 and 90647700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90647731) 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, 1373418 + ... + 1373483.

It is an arithmetic number, because the mean of its divisors is an integer number (16481412).

Almost surely, 2^90647733 is an apocalyptic number.

It is an amenable number.

90647733 is a deficient number, since it is larger than the sum of its proper divisors (41203563).

90647733 is a wasteful number, since it uses less digits than its factorization.

90647733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2746915.

The product of its (nonzero) digits is 95256, while the sum is 39.

The square root of 90647733 is about 9520.9103031170. The cubic root of 90647733 is about 449.2129997345.

The spelling of 90647733 in words is "ninety million, six hundred forty-seven thousand, seven hundred thirty-three".