30230070 has 32 divisors (see below), whose sum is σ = 78134112. Its totient is φ = 7441152.

The previous prime is 30230069. The next prime is 30230089. The reversal of 30230070 is 7003203.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38367 + ... + 39146.

It is an arithmetic number, because the mean of its divisors is an integer number (2441691).

Almost surely, 2^30230070 is an apocalyptic number.

30230070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30230070 is an abundant number, since it is smaller than the sum of its proper divisors (47904042).

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

30230070 is a wasteful number, since it uses less digits than its factorization.

30230070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77536.

The product of its (nonzero) digits is 126, while the sum is 15.

The square root of 30230070 is about 5498.1878832939. The cubic root of 30230070 is about 311.5155408788.

Adding to 30230070 its reverse (7003203), we get a palindrome (37233273).

The spelling of 30230070 in words is "thirty million, two hundred thirty thousand, seventy".