90703453 has 8 divisors (see below), whose sum is σ = 91969272. Its totient is φ = 89446656.

The previous prime is 90703441. The next prime is 90703463. The reversal of 90703453 is 35430709.

It can be written as a sum of positive squares in 4 ways, for example, as 24980004 + 65723449 = 4998^2 + 8107^2 .

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 90703453 - 2¹⁷ = 90572381 is a prime.

It is a super-2 number, since 2×90703453² = 16454232772246418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90703433) 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, 19401 + ... + 23617.

It is an arithmetic number, because the mean of its divisors is an integer number (11496159).

Almost surely, 2^90703453 is an apocalyptic number.

It is an amenable number.

90703453 is a deficient number, since it is larger than the sum of its proper divisors (1265819).

90703453 is a wasteful number, since it uses less digits than its factorization.

90703453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4511.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 90703453 is about 9523.8360443678. The cubic root of 90703453 is about 449.3050227070.

The spelling of 90703453 in words is "ninety million, seven hundred three thousand, four hundred fifty-three".