90473061 has 24 divisors (see below), whose sum is σ = 142264704. Its totient is φ = 50984640.

The previous prime is 90473059. The next prime is 90473077. The reversal of 90473061 is 16037409.

It is a happy number.

It is not a de Polignac number, because 90473061 - 2¹ = 90473059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90473081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6516 + ... + 14946.

It is an arithmetic number, because the mean of its divisors is an integer number (5927696).

Almost surely, 2^90473061 is an apocalyptic number.

It is an amenable number.

90473061 is a deficient number, since it is larger than the sum of its proper divisors (51791643).

90473061 is a wasteful number, since it uses less digits than its factorization.

90473061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8521 (or 8514 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 90473061 is about 9511.7328074331. The cubic root of 90473061 is about 448.9242799347.

The spelling of 90473061 in words is "ninety million, four hundred seventy-three thousand, sixty-one".