61320946 has 16 divisors (see below), whose sum is σ = 93655584. Its totient is φ = 30105504.

The previous prime is 61320937. The next prime is 61320977. The reversal of 61320946 is 64902316.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 58846 + ... + 59878.

It is an arithmetic number, because the mean of its divisors is an integer number (5853474).

Almost surely, 2^61320946 is an apocalyptic number.

61320946 is a deficient number, since it is larger than the sum of its proper divisors (32334638).

61320946 is a wasteful number, since it uses less digits than its factorization.

61320946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 61320946 is about 7830.7691831646. The cubic root of 61320946 is about 394.3388952056.

The spelling of 61320946 in words is "sixty-one million, three hundred twenty thousand, nine hundred forty-six".