7405272613 has 4 divisors (see below), whose sum is σ = 7421989248. Its totient is φ = 7388555980.

The previous prime is 7405272593. The next prime is 7405272661. The reversal of 7405272613 is 3162725047.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3162725047 = 19 ⋅166459213.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7405272613 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 (7405272673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8357653 + ... + 8358538.

It is an arithmetic number, because the mean of its divisors is an integer number (1855497312).

Almost surely, 2^7405272613 is an apocalyptic number.

It is an amenable number.

7405272613 is a deficient number, since it is larger than the sum of its proper divisors (16716635).

7405272613 is a wasteful number, since it uses less digits than its factorization.

7405272613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16716634.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 7405272613 is about 86053.8936539190. The cubic root of 7405272613 is about 1949.1578755145.

The spelling of 7405272613 in words is "seven billion, four hundred five million, two hundred seventy-two thousand, six hundred thirteen".