7476720730 has 16 divisors (see below), whose sum is σ = 13463864064. Its totient is φ = 2989406800.

The previous prime is 7476720701. The next prime is 7476720731. The reversal of 7476720730 is 370276747.

It is not an unprimeable number, because it can be changed into a prime (7476720731) 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 7 ways as a sum of consecutive naturals, for example, 135502 + ... + 182521.

It is an arithmetic number, because the mean of its divisors is an integer number (841491504).

Almost surely, 2^7476720730 is an apocalyptic number.

7476720730 is a deficient number, since it is larger than the sum of its proper divisors (5987143334).

7476720730 is a wasteful number, since it uses less digits than its factorization.

7476720730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320381.

The product of its (nonzero) digits is 345744, while the sum is 43.

The square root of 7476720730 is about 86468.0329948589. The cubic root of 7476720730 is about 1955.4064935750.

The spelling of 7476720730 in words is "seven billion, four hundred seventy-six million, seven hundred twenty thousand, seven hundred thirty".