730613225672 has 108 divisors (see below), whose sum is σ = 1528736358555. Its totient is φ = 327104527200.

The previous prime is 730613225627. The next prime is 730613225677. The reversal of 730613225672 is 276522316037.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 365306612836 + 365306612836 = 604406^2 + 604406^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=604406.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730613225677) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2207290547 + ... + 2207290877.

Almost surely, 2^730613225672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 730613225672

730613225672 is an abundant number, since it is smaller than the sum of its proper divisors (798123132883).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

730613225672 is an equidigital number, since it uses as much as digits as its factorization.

730613225672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 44.

The spelling of 730613225672 in words is "seven hundred thirty billion, six hundred thirteen million, two hundred twenty-five thousand, six hundred seventy-two".