61296428 has 12 divisors (see below), whose sum is σ = 107554440. Its totient is φ = 30566592.

The previous prime is 61296427. The next prime is 61296439. The reversal of 61296428 is 82469216.

It is a junction number, because it is equal to n+sod(n) for n = 61296391 and 61296400.

It is not an unprimeable number, because it can be changed into a prime (61296427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18701 + ... + 21732.

It is an arithmetic number, because the mean of its divisors is an integer number (8962870).

Almost surely, 2^61296428 is an apocalyptic number.

It is an amenable number.

61296428 is a deficient number, since it is larger than the sum of its proper divisors (46258012).

61296428 is a wasteful number, since it uses less digits than its factorization.

61296428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40816 (or 40814 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 61296428 is about 7829.2035354818. The cubic root of 61296428 is about 394.2863319271.

The spelling of 61296428 in words is "sixty-one million, two hundred ninety-six thousand, four hundred twenty-eight".