30700516 has 48 divisors (see below), whose sum is σ = 67415040. Its totient is φ = 11884320.

The previous prime is 30700493. The next prime is 30700517. The reversal of 30700516 is 61500703.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30700517) 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, 80815 + ... + 81193.

It is an arithmetic number, because the mean of its divisors is an integer number (1404480).

Almost surely, 2^30700516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30700516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33707520).

30700516 is an abundant number, since it is smaller than the sum of its proper divisors (36714524).

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

30700516 is a wasteful number, since it uses less digits than its factorization.

30700516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 30700516 is about 5540.8046347079. The cubic root of 30700516 is about 313.1231843725.

The spelling of 30700516 in words is "thirty million, seven hundred thousand, five hundred sixteen".