247236632742 has 32 divisors (see below), whose sum is σ = 539512493184. Its totient is φ = 74908092800.

The previous prime is 247236632737. The next prime is 247236632749.

It is a happy number.

247236632742 is nontrivially palindromic in base 10.

247236632742 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×247236632742² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247236632691 and 247236632700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247236632749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113617 + ... + 712307.

It is an arithmetic number, because the mean of its divisors is an integer number (16859765412).

Almost surely, 2^247236632742 is an apocalyptic number.

247236632742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

247236632742 is an abundant number, since it is smaller than the sum of its proper divisors (292275860442).

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

247236632742 is a wasteful number, since it uses less digits than its factorization.

247236632742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604964.

The product of its digits is 4064256, while the sum is 48.

It can be divided in two parts, 247236 and 632742, that added together give a palindrome (879978).

The spelling of 247236632742 in words is "two hundred forty-seven billion, two hundred thirty-six million, six hundred thirty-two thousand, seven hundred forty-two".