30379470 has 48 divisors (see below), whose sum is σ = 80151120. Its totient is φ = 7363840.

The previous prime is 30379469. The next prime is 30379507. The reversal of 30379470 is 7497303.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 555 + ... + 7814.

It is an arithmetic number, because the mean of its divisors is an integer number (1669815).

Almost surely, 2^30379470 is an apocalyptic number.

30379470 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30379470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40075560).

30379470 is an abundant number, since it is smaller than the sum of its proper divisors (49771650).

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

30379470 is a wasteful number, since it uses less digits than its factorization.

30379470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8401 (or 8390 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 30379470 is about 5511.7574329791. The cubic root of 30379470 is about 312.0278780152.

The spelling of 30379470 in words is "thirty million, three hundred seventy-nine thousand, four hundred seventy".