90470407 has 2 divisors, whose sum is σ = 90470408. Its totient is φ = 90470406.

The previous prime is 90470389. The next prime is 90470453. The reversal of 90470407 is 70407409.

It is a weak prime.

It is an emirp because it is prime and its reverse (70407409) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90470407 - 2¹⁵ = 90437639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90470467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45235203 + 45235204.

It is an arithmetic number, because the mean of its divisors is an integer number (45235204).

Almost surely, 2^90470407 is an apocalyptic number.

90470407 is a deficient number, since it is larger than the sum of its proper divisors (1).

90470407 is an equidigital number, since it uses as much as digits as its factorization.

90470407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 90470407 is about 9511.5932945012. The cubic root of 90470407 is about 448.9198902056.

The spelling of 90470407 in words is "ninety million, four hundred seventy thousand, four hundred seven".