61272372424 has 32 divisors (see below), whose sum is σ = 115720416000. Its totient is φ = 30413822400.

The previous prime is 61272372419. The next prime is 61272372437. The reversal of 61272372424 is 42427327216.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2312419 + ... + 2338765.

It is an arithmetic number, because the mean of its divisors is an integer number (3616263000).

Almost surely, 2^61272372424 is an apocalyptic number.

It is an amenable number.

61272372424 is a deficient number, since it is larger than the sum of its proper divisors (54448043576).

61272372424 is a wasteful number, since it uses less digits than its factorization.

61272372424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28453 (or 28449 counting only the distinct ones).

The product of its digits is 225792, while the sum is 40.

The spelling of 61272372424 in words is "sixty-one billion, two hundred seventy-two million, three hundred seventy-two thousand, four hundred twenty-four".