906740973 has 20 divisors (see below), whose sum is σ = 1356368860. Its totient is φ = 603666432.

The previous prime is 906740899. The next prime is 906740987. The reversal of 906740973 is 379047609.

It can be written as a sum of positive squares in 2 ways, for example, as 243266409 + 663474564 = 15597^2 + 25758^2 .

It is not a de Polignac number, because 906740973 - 2¹⁶ = 906675437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (906740273) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55011 + ... + 69567.

It is an arithmetic number, because the mean of its divisors is an integer number (67818443).

Almost surely, 2^906740973 is an apocalyptic number.

It is an amenable number.

906740973 is a deficient number, since it is larger than the sum of its proper divisors (449627887).

906740973 is a wasteful number, since it uses less digits than its factorization.

906740973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15338 (or 15329 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 906740973 is about 30112.1399604877. The cubic root of 906740973 is about 967.8938868525.

The spelling of 906740973 in words is "nine hundred six million, seven hundred forty thousand, nine hundred seventy-three".