90607147 has 4 divisors (see below), whose sum is σ = 91883376. Its totient is φ = 89330920.

The previous prime is 90607109. The next prime is 90607163. The reversal of 90607147 is 74170609.

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

It is a cyclic number.

It is not a de Polignac number, because 90607147 - 2¹⁹ = 90082859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90607177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638008 + ... + 638149.

It is an arithmetic number, because the mean of its divisors is an integer number (22970844).

Almost surely, 2^90607147 is an apocalyptic number.

90607147 is a deficient number, since it is larger than the sum of its proper divisors (1276229).

90607147 is a wasteful number, since it uses less digits than its factorization.

90607147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276228.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 90607147 is about 9518.7786506463. The cubic root of 90607147 is about 449.1459472010.

The spelling of 90607147 in words is "ninety million, six hundred seven thousand, one hundred forty-seven".