30406716 has 18 divisors (see below), whose sum is σ = 76861512. Its totient is φ = 10135560.

The previous prime is 30406709. The next prime is 30406723. The reversal of 30406716 is 61760403.

It is an interprime number because it is at equal distance from previous prime (30406709) and next prime (30406723).

It is a tau number, because it is divible by the number of its divisors (18).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 30406716.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 422280 + ... + 422351.

It is an arithmetic number, because the mean of its divisors is an integer number (4270084).

Almost surely, 2^30406716 is an apocalyptic number.

30406716 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30406716 is an abundant number, since it is smaller than the sum of its proper divisors (46454796).

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

30406716 is a wasteful number, since it uses less digits than its factorization.

30406716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844641 (or 844636 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 30406716 is about 5514.2285045145. The cubic root of 30406716 is about 312.1211314666.

The spelling of 30406716 in words is "thirty million, four hundred six thousand, seven hundred sixteen".