90364749 has 8 divisors (see below), whose sum is σ = 121160160. Its totient is φ = 59906256.

The previous prime is 90364739. The next prime is 90364751. The reversal of 90364749 is 94746309.

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

It is not a de Polignac number, because 90364749 - 2⁴ = 90364733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90364749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90364739) 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, 83602 + ... + 84675.

It is an arithmetic number, because the mean of its divisors is an integer number (15145020).

Almost surely, 2^90364749 is an apocalyptic number.

It is an amenable number.

90364749 is a deficient number, since it is larger than the sum of its proper divisors (30795411).

90364749 is a wasteful number, since it uses less digits than its factorization.

90364749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168459.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 90364749 is about 9506.0375025559. The cubic root of 90364749 is about 448.7450615658.

The spelling of 90364749 in words is "ninety million, three hundred sixty-four thousand, seven hundred forty-nine".