90533746 has 24 divisors (see below), whose sum is σ = 147241260. Its totient is φ = 41713056.

The previous prime is 90533731. The next prime is 90533747. The reversal of 90533746 is 64733509.

It can be written as a sum of positive squares in 2 ways, for example, as 67059721 + 23474025 = 8189^2 + 4845^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (90533747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25020 + ... + 28408.

Almost surely, 2^90533746 is an apocalyptic number.

90533746 is a deficient number, since it is larger than the sum of its proper divisors (56707514).

90533746 is a wasteful number, since it uses less digits than its factorization.

90533746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466 (or 3447 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 90533746 is about 9514.9222802922. The cubic root of 90533746 is about 449.0246298098.

The spelling of 90533746 in words is "ninety million, five hundred thirty-three thousand, seven hundred forty-six".