90370549 has 8 divisors (see below), whose sum is σ = 94469120. Its totient is φ = 86346000.

The previous prime is 90370537. The next prime is 90370559. The reversal of 90370549 is 94507309.

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

It is a cyclic number.

It is not a de Polignac number, because 90370549 - 2¹³ = 90362357 is a prime.

It is a super-2 number, since 2×90370549² = 16333672253122802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90370559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16002 + ... + 20899.

It is an arithmetic number, because the mean of its divisors is an integer number (11808640).

Almost surely, 2^90370549 is an apocalyptic number.

It is an amenable number.

90370549 is a deficient number, since it is larger than the sum of its proper divisors (4098571).

90370549 is a wasteful number, since it uses less digits than its factorization.

90370549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37011.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 90370549 is about 9506.3425669392. The cubic root of 90370549 is about 448.7546621593.

The spelling of 90370549 in words is "ninety million, three hundred seventy thousand, five hundred forty-nine".