7265082278 has 4 divisors (see below), whose sum is σ = 10897623420. Its totient is φ = 3632541138.

The previous prime is 7265082271. The next prime is 7265082287. The reversal of 7265082278 is 8722805627.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8722805627 = 19 ⋅459095033.

It is a super-2 number, since 2×7265082278² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7265082271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1816270568 + ... + 1816270571.

It is an arithmetic number, because the mean of its divisors is an integer number (2724405855).

Almost surely, 2^7265082278 is an apocalyptic number.

7265082278 is a deficient number, since it is larger than the sum of its proper divisors (3632541142).

7265082278 is a wasteful number, since it uses less digits than its factorization.

7265082278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3632541141.

The product of its (nonzero) digits is 752640, while the sum is 47.

The square root of 7265082278 is about 85235.4520020865. The cubic root of 7265082278 is about 1936.7794973316.

The spelling of 7265082278 in words is "seven billion, two hundred sixty-five million, eighty-two thousand, two hundred seventy-eight".