7200778071 has 16 divisors (see below), whose sum is σ = 9624243200. Its totient is φ = 4788933408.

The previous prime is 7200778007. The next prime is 7200778087. The reversal of 7200778071 is 1708770027.

It is not a de Polignac number, because 7200778071 - 2⁶ = 7200778007 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 (7204778071) 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 15 ways as a sum of consecutive naturals, for example, 3012945 + ... + 3015333.

It is an arithmetic number, because the mean of its divisors is an integer number (601515200).

Almost surely, 2^7200778071 is an apocalyptic number.

7200778071 is a deficient number, since it is larger than the sum of its proper divisors (2423465129).

7200778071 is a wasteful number, since it uses less digits than its factorization.

7200778071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4398.

The product of its (nonzero) digits is 38416, while the sum is 39.

The square root of 7200778071 is about 84857.3984458633. The cubic root of 7200778071 is about 1931.0483240476.

The spelling of 7200778071 in words is "seven billion, two hundred million, seven hundred seventy-eight thousand, seventy-one".