30696552 has 72 divisors (see below), whose sum is σ = 87816690. Its totient is φ = 9685440.

The previous prime is 30696551. The next prime is 30696583. The reversal of 30696552 is 25569603.

It can be written as a sum of positive squares in only one way, i.e., 19766916 + 10929636 = 4446^2 + 3306^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (30696551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 25402 + ... + 26582.

Almost surely, 2^30696552 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 30696552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43908345).

30696552 is an abundant number, since it is smaller than the sum of its proper divisors (57120138).

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

30696552 is a wasteful number, since it uses less digits than its factorization.

30696552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 30696552 is about 5540.4469133816. The cubic root of 30696552 is about 313.1097071427.

The spelling of 30696552 in words is "thirty million, six hundred ninety-six thousand, five hundred fifty-two".