90737338 has 4 divisors (see below), whose sum is σ = 136106010. Its totient is φ = 45368668.

The previous prime is 90737333. The next prime is 90737371. The reversal of 90737338 is 83373709.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 53246209 + 37491129 = 7297^2 + 6123^2 .

It is a super-3 number, since 3×90737338³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90737338.

It is not an unprimeable number, because it can be changed into a prime (90737333) by changing a digit.

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 as a sum of consecutive naturals, namely, 22684333 + ... + 22684336.

Almost surely, 2^90737338 is an apocalyptic number.

90737338 is a deficient number, since it is larger than the sum of its proper divisors (45368672).

90737338 is a wasteful number, since it uses less digits than its factorization.

90737338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45368671.

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 90737338 is about 9525.6148357993. The cubic root of 90737338 is about 449.3609662046.

The spelling of 90737338 in words is "ninety million, seven hundred thirty-seven thousand, three hundred thirty-eight".