1117273730 has 16 divisors (see below), whose sum is σ = 2057863104. Its totient is φ = 436516080.

The previous prime is 1117273721. The next prime is 1117273733. The reversal of 1117273730 is 373727111.

It is a super-2 number, since 2×1117273730² = 2496601175496225800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1117273733) 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, 1298726 + ... + 1299585.

It is an arithmetic number, because the mean of its divisors is an integer number (128616444).

Almost surely, 2^1117273730 is an apocalyptic number.

1117273730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1117273730 is a deficient number, since it is larger than the sum of its proper divisors (940589374).

1117273730 is a wasteful number, since it uses less digits than its factorization.

1117273730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598361.

The product of its (nonzero) digits is 6174, while the sum is 32.

The square root of 1117273730 is about 33425.6447955757. The cubic root of 1117273730 is about 1037.6555083105.

The spelling of 1117273730 in words is "one billion, one hundred seventeen million, two hundred seventy-three thousand, seven hundred thirty".