90739930 has 8 divisors (see below), whose sum is σ = 163331892. Its totient is φ = 36295968.

The previous prime is 90739921. The next prime is 90739963. The reversal of 90739930 is 3993709.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 82428241 + 8311689 = 9079^2 + 2883^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4536987 + ... + 4537006.

Almost surely, 2^90739930 is an apocalyptic number.

90739930 is a deficient number, since it is larger than the sum of its proper divisors (72591962).

90739930 is a wasteful number, since it uses less digits than its factorization.

90739930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9074000.

The product of its (nonzero) digits is 45927, while the sum is 40.

The square root of 90739930 is about 9525.7508890376. The cubic root of 90739930 is about 449.3652449744.

The spelling of 90739930 in words is "ninety million, seven hundred thirty-nine thousand, nine hundred thirty".