245647470 has 16 divisors (see below), whose sum is σ = 589554000. Its totient is φ = 65505984.

The previous prime is 245647469. The next prime is 245647471. The reversal of 245647470 is 74746542.

245647470 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (245647469) and next prime (245647471).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245647471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4094095 + ... + 4094154.

It is an arithmetic number, because the mean of its divisors is an integer number (36847125).

Almost surely, 2^245647470 is an apocalyptic number.

245647470 is an abundant number, since it is smaller than the sum of its proper divisors (343906530).

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

245647470 is a wasteful number, since it uses less digits than its factorization.

245647470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8188259.

The product of its (nonzero) digits is 188160, while the sum is 39.

The square root of 245647470 is about 15673.1448662992. The cubic root of 245647470 is about 626.2832046808.

The spelling of 245647470 in words is "two hundred forty-five million, six hundred forty-seven thousand, four hundred seventy".