30247480 has 32 divisors (see below), whose sum is σ = 68739840. Its totient is φ = 11977600.

The previous prime is 30247457. The next prime is 30247499. The reversal of 30247480 is 8474203.

It is a congruent number.

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, 297 + ... + 7783.

It is an arithmetic number, because the mean of its divisors is an integer number (2148120).

Almost surely, 2^30247480 is an apocalyptic number.

It is an amenable number.

30247480 is an abundant number, since it is smaller than the sum of its proper divisors (38492360).

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

30247480 is a wasteful number, since it uses less digits than its factorization.

30247480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7599 (or 7595 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 30247480 is about 5499.7709043196. The cubic root of 30247480 is about 311.5753317287.

The spelling of 30247480 in words is "thirty million, two hundred forty-seven thousand, four hundred eighty".