72430930 has 32 divisors (see below), whose sum is σ = 153171648. Its totient is φ = 24312000.

The previous prime is 72430921. The next prime is 72430957. The reversal of 72430930 is 3903427.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23896 + ... + 26755.

It is an arithmetic number, because the mean of its divisors is an integer number (4786614).

Almost surely, 2^72430930 is an apocalyptic number.

72430930 is an abundant number, since it is smaller than the sum of its proper divisors (80740718).

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

72430930 is a wasteful number, since it uses less digits than its factorization.

72430930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50682.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 72430930 is about 8510.6362864359. The cubic root of 72430930 is about 416.8450869657.

The spelling of 72430930 in words is "seventy-two million, four hundred thirty thousand, nine hundred thirty".