61456772 has 24 divisors (see below), whose sum is σ = 116424000. Its totient is φ = 28217376.

The previous prime is 61456757. The next prime is 61456781. The reversal of 61456772 is 27765416.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7379 + ... + 13317.

It is an arithmetic number, because the mean of its divisors is an integer number (4851000).

Almost surely, 2^61456772 is an apocalyptic number.

It is an amenable number.

61456772 is a deficient number, since it is larger than the sum of its proper divisors (54967228).

61456772 is a wasteful number, since it uses less digits than its factorization.

61456772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6155 (or 6153 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 61456772 is about 7839.4369695789. The cubic root of 61456772 is about 394.6298342763.

The spelling of 61456772 in words is "sixty-one million, four hundred fifty-six thousand, seven hundred seventy-two".