7294355649 has 63 divisors (see below), whose sum is σ = 12442209793. Its totient is φ = 4117983912.

The previous prime is 7294355647. The next prime is 7294355689. The reversal of 7294355649 is 9465534927.

The square root of 7294355649 is 85407.

It is a perfect power (a square), and thus also a powerful number.

7294355649 is a `hidden beast` number, since 7 + 2 + 9 + 43 + 556 + 49 = 666.

It is a tau number, because it is divible by the number of its divisors (63).

It is not a de Polignac number, because 7294355649 - 2¹ = 7294355647 is a prime.

It is a super-2 number, since 2×7294355649² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7294355595 and 7294355604.

It is not an unprimeable number, because it can be changed into a prime (7294355647) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 87883762 + ... + 87883844.

Almost surely, 2^7294355649 is an apocalyptic number.

7294355649 is the 85407-th square number.

7294355649 is the 42704-th centered octagonal number.

It is an amenable number.

7294355649 is a deficient number, since it is larger than the sum of its proper divisors (5147854144).

7294355649 is an frugal number, since it uses more digits than its factorization.

7294355649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 93 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 54.

The cubic root of 7294355649 is about 1939.3773153910.

The spelling of 7294355649 in words is "seven billion, two hundred ninety-four million, three hundred fifty-five thousand, six hundred forty-nine".