90703450 has 12 divisors (see below), whose sum is σ = 168708510. Its totient is φ = 36281360.

The previous prime is 90703441. The next prime is 90703463. The reversal of 90703450 is 5430709.

It can be written as a sum of positive squares in 3 ways, for example, as 78446449 + 12257001 = 8857^2 + 3501^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 906985 + ... + 907084.

Almost surely, 2^90703450 is an apocalyptic number.

90703450 is a deficient number, since it is larger than the sum of its proper divisors (78005060).

90703450 is a wasteful number, since it uses less digits than its factorization.

90703450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814081 (or 1814076 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 90703450 is about 9523.8358868683. The cubic root of 90703450 is about 449.3050177535.

The spelling of 90703450 in words is "ninety million, seven hundred three thousand, four hundred fifty".