90273337 has 12 divisors (see below), whose sum is σ = 114559056. Its totient is φ = 70342440.

The previous prime is 90273331. The next prime is 90273343. The reversal of 90273337 is 73337209.

It is an interprime number because it is at equal distance from previous prime (90273331) and next prime (90273343).

It is a de Polignac number, because none of the positive numbers 2^k-90273337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90273331) 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, 83203 + ... + 84280.

It is an arithmetic number, because the mean of its divisors is an integer number (9546588).

Almost surely, 2^90273337 is an apocalyptic number.

It is an amenable number.

90273337 is a deficient number, since it is larger than the sum of its proper divisors (24285719).

90273337 is a wasteful number, since it uses less digits than its factorization.

90273337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167508 (or 167501 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 34.

The square root of 90273337 is about 9501.2281837666. The cubic root of 90273337 is about 448.5936953018.

The spelling of 90273337 in words is "ninety million, two hundred seventy-three thousand, three hundred thirty-seven".