730643145 has 8 divisors (see below), whose sum is σ = 1169029056. Its totient is φ = 389676336.

The previous prime is 730643141. The next prime is 730643149. The reversal of 730643145 is 541346037.

It is an interprime number because it is at equal distance from previous prime (730643141) and next prime (730643149).

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

It is not a de Polignac number, because 730643145 - 2² = 730643141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (730643141) 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, 24354757 + ... + 24354786.

It is an arithmetic number, because the mean of its divisors is an integer number (146128632).

Almost surely, 2^730643145 is an apocalyptic number.

It is an amenable number.

730643145 is a deficient number, since it is larger than the sum of its proper divisors (438385911).

730643145 is a wasteful number, since it uses less digits than its factorization.

730643145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48709551.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 730643145 is about 27030.4114841043. The cubic root of 730643145 is about 900.6756839546.

The spelling of 730643145 in words is "seven hundred thirty million, six hundred forty-three thousand, one hundred forty-five".