72427730213462 has 16 divisors (see below), whose sum is σ = 117087343702560. Its totient is φ = 33402839578752.

The previous prime is 72427730213459. The next prime is 72427730213507. The reversal of 72427730213462 is 26431203772427.

It is a super-2 number, since 2×72427730213462² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72427730213462.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1055948243 + ... + 1056016830.

It is an arithmetic number, because the mean of its divisors is an integer number (7317958981410).

Almost surely, 2^{72427730213462} is an apocalyptic number.

72427730213462 is a deficient number, since it is larger than the sum of its proper divisors (44659613489098).

72427730213462 is a wasteful number, since it uses less digits than its factorization.

72427730213462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111966407.

The product of its (nonzero) digits is 4741632, while the sum is 50.

Adding to 72427730213462 its reverse (26431203772427), we get a palindrome (98858933985889).

The spelling of 72427730213462 in words is "seventy-two trillion, four hundred twenty-seven billion, seven hundred thirty million, two hundred thirteen thousand, four hundred sixty-two".