61420576 has 24 divisors (see below), whose sum is σ = 138196800. Its totient is φ = 26323008.

The previous prime is 61420571. The next prime is 61420577. The reversal of 61420576 is 67502416.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (61420571) 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, 136876 + ... + 137323.

It is an arithmetic number, because the mean of its divisors is an integer number (5758200).

Almost surely, 2^61420576 is an apocalyptic number.

It is an amenable number.

61420576 is an abundant number, since it is smaller than the sum of its proper divisors (76776224).

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

61420576 is a wasteful number, since it uses less digits than its factorization.

61420576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274216 (or 274208 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 61420576 is about 7837.1280454003. The cubic root of 61420576 is about 394.5523444342.

The spelling of 61420576 in words is "sixty-one million, four hundred twenty thousand, five hundred seventy-six".