61959650 has 48 divisors (see below), whose sum is σ = 119081664. Its totient is φ = 23974080.

The previous prime is 61959649. The next prime is 61959659. The reversal of 61959650 is 5695916.

It is a junction number, because it is equal to n+sod(n) for n = 61959598 and 61959607.

It is not an unprimeable number, because it can be changed into a prime (61959659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 272837 + ... + 273063.

It is an arithmetic number, because the mean of its divisors is an integer number (2480868).

Almost surely, 2^61959650 is an apocalyptic number.

61959650 is a deficient number, since it is larger than the sum of its proper divisors (57122014).

61959650 is a wasteful number, since it uses less digits than its factorization.

61959650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 61959650 is about 7871.4452294353. The cubic root of 61959650 is about 395.7032816219.

The spelling of 61959650 in words is "sixty-one million, nine hundred fifty-nine thousand, six hundred fifty".