30703380 has 24 divisors (see below), whose sum is σ = 85969632. Its totient is φ = 8187552.

The previous prime is 30703369. The next prime is 30703397. The reversal of 30703380 is 8330703.

It is a self number, because there is not a number n which added to its sum of digits gives 30703380.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255802 + ... + 255921.

It is an arithmetic number, because the mean of its divisors is an integer number (3582068).

Almost surely, 2^30703380 is an apocalyptic number.

30703380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30703380 is an abundant number, since it is smaller than the sum of its proper divisors (55266252).

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

30703380 is a wasteful number, since it uses less digits than its factorization.

30703380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511735 (or 511733 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 30703380 is about 5541.0630748982. The cubic root of 30703380 is about 313.1329209832.

The spelling of 30703380 in words is "thirty million, seven hundred three thousand, three hundred eighty".