7207993953 has 8 divisors (see below), whose sum is σ = 10678509600. Its totient is φ = 4805329284.

The previous prime is 7207993921. The next prime is 7207993963. The reversal of 7207993953 is 3593997027.

It is not a de Polignac number, because 7207993953 - 2⁵ = 7207993921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7207993953.

It is not an unprimeable number, because it can be changed into a prime (7207993963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133481343 + ... + 133481396.

It is an arithmetic number, because the mean of its divisors is an integer number (1334813700).

Almost surely, 2^7207993953 is an apocalyptic number.

It is an amenable number.

7207993953 is a deficient number, since it is larger than the sum of its proper divisors (3470515647).

7207993953 is a wasteful number, since it uses less digits than its factorization.

7207993953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266962748 (or 266962742 counting only the distinct ones).

The product of its (nonzero) digits is 3214890, while the sum is 54.

The square root of 7207993953 is about 84899.9054946470. The cubic root of 7207993953 is about 1931.6931416313.

The spelling of 7207993953 in words is "seven billion, two hundred seven million, nine hundred ninety-three thousand, nine hundred fifty-three".