61294950 has 144 divisors (see below), whose sum is σ = 177577920. Its totient is φ = 15111360.

The previous prime is 61294949. The next prime is 61294957. The reversal of 61294950 is 5949216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61294957) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 572797 + ... + 572903.

It is an arithmetic number, because the mean of its divisors is an integer number (1233180).

Almost surely, 2^61294950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61294950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88788960).

61294950 is an abundant number, since it is smaller than the sum of its proper divisors (116282970).

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

61294950 is a wasteful number, since it uses less digits than its factorization.

61294950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 61294950 is about 7829.1091447239. The cubic root of 61294950 is about 394.2831628469.

The spelling of 61294950 in words is "sixty-one million, two hundred ninety-four thousand, nine hundred fifty".