7073649 has 40 divisors (see below), whose sum is σ = 12231648. Its totient is φ = 4026240.

The previous prime is 7073597. The next prime is 7073653. The reversal of 7073649 is 9463707.

7073649 is a `hidden beast` number, since 7 + 0 + 7 + 3 + 649 = 666.

It is not a de Polignac number, because 7073649 - 2⁹ = 7073137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7073699) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14914 + ... + 15380.

Almost surely, 2^7073649 is an apocalyptic number.

It is an amenable number.

7073649 is a deficient number, since it is larger than the sum of its proper divisors (5157999).

7073649 is a wasteful number, since it uses less digits than its factorization.

7073649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 7073649 is about 2659.6332453931. The cubic root of 7073649 is about 191.9616622673.

It can be divided in two parts, 707 and 3649, that added together give a square (4356 = 66²).

The spelling of 7073649 in words is "seven million, seventy-three thousand, six hundred forty-nine".