7207646642 has 16 divisors (see below), whose sum is σ = 12366936960. Its totient is φ = 3086248608.

The previous prime is 7207646639. The next prime is 7207646651. The reversal of 7207646642 is 2466467027.

7207646642 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 7207646593 and 7207646602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212198 + ... + 243809.

It is an arithmetic number, because the mean of its divisors is an integer number (772933560).

Almost surely, 2^7207646642 is an apocalyptic number.

7207646642 is a deficient number, since it is larger than the sum of its proper divisors (5159290318).

7207646642 is a wasteful number, since it uses less digits than its factorization.

7207646642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457145.

The product of its (nonzero) digits is 677376, while the sum is 44.

The square root of 7207646642 is about 84897.8600554808. The cubic root of 7207646642 is about 1931.6621154745.

The spelling of 7207646642 in words is "seven billion, two hundred seven million, six hundred forty-six thousand, six hundred forty-two".