7249072807 has 4 divisors (see below), whose sum is σ = 7351172496. Its totient is φ = 7146973120.

The previous prime is 7249072781. The next prime is 7249072823. The reversal of 7249072807 is 7082709427.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7082709427 = 67 ⋅105712081.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7249072807 is a prime.

It is a super-2 number, since 2×7249072807² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7249072507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51049738 + ... + 51049879.

It is an arithmetic number, because the mean of its divisors is an integer number (1837793124).

Almost surely, 2^7249072807 is an apocalyptic number.

7249072807 is a deficient number, since it is larger than the sum of its proper divisors (102099689).

7249072807 is a wasteful number, since it uses less digits than its factorization.

7249072807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102099688.

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 7249072807 is about 85141.4869907732. The cubic root of 7249072807 is about 1935.3558099062.

The spelling of 7249072807 in words is "seven billion, two hundred forty-nine million, seventy-two thousand, eight hundred seven".