730427130 has 24 divisors (see below), whose sum is σ = 1899110772. Its totient is φ = 194780544.

The previous prime is 730427119. The next prime is 730427143. The reversal of 730427130 is 31724037.

It can be written as a sum of positive squares in 2 ways, for example, as 702833121 + 27594009 = 26511^2 + 5253^2 .

It is a junction number, because it is equal to n+sod(n) for n = 730427094 and 730427103.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4057839 + ... + 4058018.

Almost surely, 2^730427130 is an apocalyptic number.

730427130 is an abundant number, since it is smaller than the sum of its proper divisors (1168683642).

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

730427130 is a wasteful number, since it uses less digits than its factorization.

730427130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8115870 (or 8115867 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 730427130 is about 27026.4154115932. The cubic root of 730427130 is about 900.5869134715.

The spelling of 730427130 in words is "seven hundred thirty million, four hundred twenty-seven thousand, one hundred thirty".