7420544756 has 12 divisors (see below), whose sum is σ = 13021339968. Its totient is φ = 3700161912.

The previous prime is 7420544711. The next prime is 7420544819. The reversal of 7420544756 is 6574450247.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525966 + ... + 2528901.

It is an arithmetic number, because the mean of its divisors is an integer number (1085111664).

Almost surely, 2^7420544756 is an apocalyptic number.

It is an amenable number.

7420544756 is a deficient number, since it is larger than the sum of its proper divisors (5600795212).

7420544756 is a wasteful number, since it uses less digits than its factorization.

7420544756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055238 (or 5055236 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 44.

The square root of 7420544756 is about 86142.5838711610. The cubic root of 7420544756 is about 1950.4968934030.

The spelling of 7420544756 in words is "seven billion, four hundred twenty million, five hundred forty-four thousand, seven hundred fifty-six".