90735272 has 8 divisors (see below), whose sum is σ = 170128650. Its totient is φ = 45367632.

The previous prime is 90735247. The next prime is 90735301. The reversal of 90735272 is 27253709.

It can be written as a sum of positive squares in only one way, i.e., 58767556 + 31967716 = 7666^2 + 5654^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5670947 + ... + 5670962.

Almost surely, 2^90735272 is an apocalyptic number.

It is an amenable number.

90735272 is a deficient number, since it is larger than the sum of its proper divisors (79393378).

90735272 is a wasteful number, since it uses less digits than its factorization.

90735272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11341915 (or 11341911 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 90735272 is about 9525.5063907385. The cubic root of 90735272 is about 449.3575556762.

The spelling of 90735272 in words is "ninety million, seven hundred thirty-five thousand, two hundred seventy-two".