730920115 has 4 divisors (see below), whose sum is σ = 877104144. Its totient is φ = 584736088.

The previous prime is 730920109. The next prime is 730920119. The reversal of 730920115 is 511029037.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 511029037 = 1151 ⋅443987.

It is a cyclic number.

It is not a de Polignac number, because 730920115 - 2³ = 730920107 is a prime.

It is a super-2 number, since 2×730920115² = 1068488429023226450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730920119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73092007 + ... + 73092016.

It is an arithmetic number, because the mean of its divisors is an integer number (219276036).

Almost surely, 2^730920115 is an apocalyptic number.

730920115 is a deficient number, since it is larger than the sum of its proper divisors (146184029).

730920115 is a wasteful number, since it uses less digits than its factorization.

730920115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146184028.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 730920115 is about 27035.5343020995. The cubic root of 730920115 is about 900.7894780510.

The spelling of 730920115 in words is "seven hundred thirty million, nine hundred twenty thousand, one hundred fifteen".