30378612 has 48 divisors (see below), whose sum is σ = 77660352. Its totient is φ = 9166080.

The previous prime is 30378611. The next prime is 30378613. The reversal of 30378612 is 21687303.

It is an interprime number because it is at equal distance from previous prime (30378611) and next prime (30378613).

It is a self number, because there is not a number n which added to its sum of digits gives 30378612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30378611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48928 + ... + 49544.

It is an arithmetic number, because the mean of its divisors is an integer number (1617924).

Almost surely, 2^30378612 is an apocalyptic number.

It is an amenable number.

30378612 is an abundant number, since it is smaller than the sum of its proper divisors (47281740).

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

30378612 is a wasteful number, since it uses less digits than its factorization.

30378612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008 (or 1006 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 30378612 is about 5511.6795988156. The cubic root of 30378612 is about 312.0249404783.

The spelling of 30378612 in words is "thirty million, three hundred seventy-eight thousand, six hundred twelve".