973440907 has 2 divisors, whose sum is σ = 973440908. Its totient is φ = 973440906.

The previous prime is 973440887. The next prime is 973440917. The reversal of 973440907 is 709044379.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 973440907 - 2⁷ = 973440779 is a prime.

It is not a weakly prime, because it can be changed into another prime (973440917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486720453 + 486720454.

It is an arithmetic number, because the mean of its divisors is an integer number (486720454).

Almost surely, 2^973440907 is an apocalyptic number.

973440907 is a deficient number, since it is larger than the sum of its proper divisors (1).

973440907 is an equidigital number, since it uses as much as digits as its factorization.

973440907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 973440907 is about 31200.0145352530. The cubic root of 973440907 is about 991.0674155146.

The spelling of 973440907 in words is "nine hundred seventy-three million, four hundred forty thousand, nine hundred seven".