730604505172 has 24 divisors (see below), whose sum is σ = 1294437152232. Its totient is φ = 360783360000.

The previous prime is 730604505143. The next prime is 730604505173. The reversal of 730604505172 is 271505406037.

It can be written as a sum of positive squares in 4 ways, for example, as 345008215876 + 385596289296 = 587374^2 + 620964^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730604505173) 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, 2092893 + ... + 2416900.

It is an arithmetic number, because the mean of its divisors is an integer number (53934881343).

Almost surely, 2^730604505172 is an apocalyptic number.

It is an amenable number.

730604505172 is a deficient number, since it is larger than the sum of its proper divisors (563832647060).

730604505172 is a wasteful number, since it uses less digits than its factorization.

730604505172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4510299 (or 4510297 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 730604505172 in words is "seven hundred thirty billion, six hundred four million, five hundred five thousand, one hundred seventy-two".