90741538 has 8 divisors (see below), whose sum is σ = 139791132. Its totient is φ = 44144496.

The previous prime is 90741527. The next prime is 90741559. The reversal of 90741538 is 83514709.

It can be written as a sum of positive squares in 2 ways, for example, as 89245809 + 1495729 = 9447^2 + 1223^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 90741497 and 90741506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613045 + ... + 613192.

Almost surely, 2^90741538 is an apocalyptic number.

90741538 is a deficient number, since it is larger than the sum of its proper divisors (49049594).

90741538 is a wasteful number, since it uses less digits than its factorization.

90741538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226276.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 90741538 is about 9525.8352914587. The cubic root of 90741538 is about 449.3678993554.

The spelling of 90741538 in words is "ninety million, seven hundred forty-one thousand, five hundred thirty-eight".