247284482742 has 64 divisors (see below), whose sum is σ = 601176280320. Its totient is φ = 74722348800.

The previous prime is 247284482723. The next prime is 247284482743.

247284482742 is a `hidden beast` number, since 2 + 47 + 2 + 84 + 482 + 7 + 42 = 666.

247284482742 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×247284482742² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247284482743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379984 + ... + 799347.

It is an arithmetic number, because the mean of its divisors is an integer number (9393379380).

Almost surely, 2^247284482742 is an apocalyptic number.

247284482742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

247284482742 is an abundant number, since it is smaller than the sum of its proper divisors (353891797578).

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

247284482742 is a wasteful number, since it uses less digits than its factorization.

247284482742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179706 (or 1179700 counting only the distinct ones).

The product of its digits is 12845056, while the sum is 54.

The spelling of 247284482742 in words is "two hundred forty-seven billion, two hundred eighty-four million, four hundred eighty-two thousand, seven hundred forty-two".