90873250 has 32 divisors (see below), whose sum is σ = 183207024. Its totient is φ = 33552000.

The previous prime is 90873227. The next prime is 90873287. The reversal of 90873250 is 5237809.

It can be written as a sum of positive squares in 8 ways, for example, as 2193361 + 88679889 = 1481^2 + 9417^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10731 + ... + 17230.

Almost surely, 2^90873250 is an apocalyptic number.

90873250 is an abundant number, since it is smaller than the sum of its proper divisors (92333774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90873250 is a wasteful number, since it uses less digits than its factorization.

90873250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27991 (or 27981 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 90873250 is about 9532.7461940408. The cubic root of 90873250 is about 449.5852144986.

The spelling of 90873250 in words is "ninety million, eight hundred seventy-three thousand, two hundred fifty".