61056940 has 36 divisors (see below), whose sum is σ = 149155776. Its totient is φ = 20933472.

The previous prime is 61056929. The next prime is 61056959. The reversal of 61056940 is 4965016.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30172 + ... + 32131.

It is an arithmetic number, because the mean of its divisors is an integer number (4143216).

Almost surely, 2^61056940 is an apocalyptic number.

It is an amenable number.

61056940 is an abundant number, since it is smaller than the sum of its proper divisors (88098836).

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

61056940 is a wasteful number, since it uses less digits than its factorization.

61056940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62326 (or 62317 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 61056940 is about 7813.8940356265. The cubic root of 61056940 is about 393.7721633615.

The spelling of 61056940 in words is "sixty-one million, fifty-six thousand, nine hundred forty".