61949448 has 96 divisors (see below), whose sum is σ = 189876960. Its totient is φ = 18766080.

The previous prime is 61949441. The next prime is 61949449. The reversal of 61949448 is 84494916.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (61949441) 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, 19936 + ... + 22832.

It is an arithmetic number, because the mean of its divisors is an integer number (1977885).

Almost surely, 2^61949448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61949448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94938480).

61949448 is an abundant number, since it is smaller than the sum of its proper divisors (127927512).

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

61949448 is a wasteful number, since it uses less digits than its factorization.

61949448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929 (or 2913 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 61949448 is about 7870.7971642013. The cubic root of 61949448 is about 395.6815621832.

The spelling of 61949448 in words is "sixty-one million, nine hundred forty-nine thousand, four hundred forty-eight".