7270972901 has 4 divisors (see below), whose sum is σ = 7311144204. Its totient is φ = 7230801600.

The previous prime is 7270972867. The next prime is 7270972927. The reversal of 7270972901 is 1092790727.

It is a Cunningham number, because it is equal to 85270²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80102500 + 7190870401 = 8950^2 + 84799^2 .

It is a cyclic number.

It is not a de Polignac number, because 7270972901 - 2⁶ = 7270972837 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 (7270974901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20085380 + ... + 20085741.

It is an arithmetic number, because the mean of its divisors is an integer number (1827786051).

Almost surely, 2^7270972901 is an apocalyptic number.

It is an amenable number.

7270972901 is a deficient number, since it is larger than the sum of its proper divisors (40171303).

7270972901 is a wasteful number, since it uses less digits than its factorization.

7270972901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40171302.

The product of its (nonzero) digits is 111132, while the sum is 44.

The square root of 7270972901 is about 85270.0000058637. Note that the first 5 decimals coincide. The cubic root of 7270972901 is about 1937.3028112381.

The spelling of 7270972901 in words is "seven billion, two hundred seventy million, nine hundred seventy-two thousand, nine hundred one".