7278150343 has 4 divisors (see below), whose sum is σ = 7283421928. Its totient is φ = 7272878760.

The previous prime is 7278150331. The next prime is 7278150353. The reversal of 7278150343 is 3430518727.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3430518727 = 12421 ⋅276187.

It is a cyclic number.

It is not a de Polignac number, because 7278150343 - 2²⁹ = 6741279431 is a prime.

It is a super-2 number, since 2×7278150343² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7278150296 and 7278150305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7278150353) 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 3 ways as a sum of consecutive naturals, for example, 2633721 + ... + 2636482.

It is an arithmetic number, because the mean of its divisors is an integer number (1820855482).

Almost surely, 2^7278150343 is an apocalyptic number.

7278150343 is a deficient number, since it is larger than the sum of its proper divisors (5271585).

7278150343 is a wasteful number, since it uses less digits than its factorization.

7278150343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5271584.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 7278150343 is about 85312.0761850279. The cubic root of 7278150343 is about 1937.9400623059.

The spelling of 7278150343 in words is "seven billion, two hundred seventy-eight million, one hundred fifty thousand, three hundred forty-three".