61394976 has 48 divisors (see below), whose sum is σ = 179071200. Its totient is φ = 20464704.

The previous prime is 61394969. The next prime is 61394989. The reversal of 61394976 is 67949316.

It is a tau number, because it is divible by the number of its divisors (48).

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, 34666 + ... + 36393.

It is an arithmetic number, because the mean of its divisors is an integer number (3730650).

Almost surely, 2^61394976 is an apocalyptic number.

It is an amenable number.

61394976 is an abundant number, since it is smaller than the sum of its proper divisors (117676224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61394976 is a wasteful number, since it uses less digits than its factorization.

61394976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71078 (or 71064 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 61394976 is about 7835.4946238256. The cubic root of 61394976 is about 394.4975205500.

The spelling of 61394976 in words is "sixty-one million, three hundred ninety-four thousand, nine hundred seventy-six".