30248736 has 48 divisors (see below), whose sum is σ = 90748224. Its totient is φ = 8642304.

The previous prime is 30248723. The next prime is 30248747. The reversal of 30248736 is 63784203.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 30248697 and 30248706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21835 + ... + 23178.

It is an arithmetic number, because the mean of its divisors is an integer number (1890588).

Almost surely, 2^30248736 is an apocalyptic number.

It is an amenable number.

30248736 is an abundant number, since it is smaller than the sum of its proper divisors (60499488).

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

30248736 is a wasteful number, since it uses less digits than its factorization.

30248736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45033 (or 45025 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 30248736 is about 5499.8850897087. The cubic root of 30248736 is about 311.5796442996.

The spelling of 30248736 in words is "thirty million, two hundred forty-eight thousand, seven hundred thirty-six".