7426742720 has 28 divisors (see below), whose sum is σ = 17684931864. Its totient is φ = 2970696960.

The previous prime is 7426742693. The next prime is 7426742753. The reversal of 7426742720 is 272476247.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11603966 + ... + 11604605.

Almost surely, 2^7426742720 is an apocalyptic number.

It is an amenable number.

7426742720 is an abundant number, since it is smaller than the sum of its proper divisors (10258189144).

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

7426742720 is a wasteful number, since it uses less digits than its factorization.

7426742720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23208588 (or 23208578 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 41.

The square root of 7426742720 is about 86178.5513918632. The cubic root of 7426742720 is about 1951.0397890933.

The spelling of 7426742720 in words is "seven billion, four hundred twenty-six million, seven hundred forty-two thousand, seven hundred twenty".