7242881346 has 12 divisors (see below), whose sum is σ = 15692909622. Its totient is φ = 2414293776.

The previous prime is 7242881329. The next prime is 7242881353. The reversal of 7242881346 is 6431882427.

It is a happy number.

7242881346 is a `hidden beast` number, since 7 + 24 + 288 + 1 + 346 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7163760321 + 79121025 = 84639^2 + 8895^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 201191131 + ... + 201191166.

Almost surely, 2^7242881346 is an apocalyptic number.

7242881346 is an abundant number, since it is smaller than the sum of its proper divisors (8450028276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7242881346 is a wasteful number, since it uses less digits than its factorization.

7242881346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402382305 (or 402382302 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 7242881346 is about 85105.1193877313. The cubic root of 7242881346 is about 1934.8046546784.

The spelling of 7242881346 in words is "seven billion, two hundred forty-two million, eight hundred eighty-one thousand, three hundred forty-six".