1072730347 has 8 divisors (see below), whose sum is σ = 1161633200. Its totient is φ = 984739680.

The previous prime is 1072730333. The next prime is 1072730359. The reversal of 1072730347 is 7430372701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1072730347 - 2²³ = 1064341739 is a prime.

It is a super-3 number, since 3×1072730347³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1072734347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225597 + ... + 230302.

It is an arithmetic number, because the mean of its divisors is an integer number (145204150).

Almost surely, 2^1072730347 is an apocalyptic number.

1072730347 is a deficient number, since it is larger than the sum of its proper divisors (88902853).

1072730347 is a wasteful number, since it uses less digits than its factorization.

1072730347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456093.

The product of its (nonzero) digits is 24696, while the sum is 34.

The square root of 1072730347 is about 32752.5624493718. The cubic root of 1072730347 is about 1023.6783591035.

The spelling of 1072730347 in words is "one billion, seventy-two million, seven hundred thirty thousand, three hundred forty-seven".