61226724472 has 16 divisors (see below), whose sum is σ = 116417012400. Its totient is φ = 30182187840.

The previous prime is 61226724467. The next prime is 61226724479. The reversal of 61226724472 is 27442762216.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61226724479) 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 3 ways as a sum of consecutive naturals, for example, 53896197 + ... + 53897332.

It is an arithmetic number, because the mean of its divisors is an integer number (7276063275).

Almost surely, 2^61226724472 is an apocalyptic number.

It is an amenable number.

61226724472 is a deficient number, since it is larger than the sum of its proper divisors (55190287928).

61226724472 is a wasteful number, since it uses less digits than its factorization.

61226724472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107793606 (or 107793602 counting only the distinct ones).

The product of its digits is 451584, while the sum is 43.

The spelling of 61226724472 in words is "sixty-one billion, two hundred twenty-six million, seven hundred twenty-four thousand, four hundred seventy-two".