61017344 has 72 divisors (see below), whose sum is σ = 130587072. Its totient is φ = 28385280.

The previous prime is 61017337. The next prime is 61017349. The reversal of 61017344 is 44371016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61017349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253064 + ... + 253304.

Almost surely, 2^61017344 is an apocalyptic number.

61017344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61017344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65293536).

61017344 is an abundant number, since it is smaller than the sum of its proper divisors (69569728).

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

61017344 is a wasteful number, since it uses less digits than its factorization.

61017344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 61017344 is about 7811.3599328158. The cubic root of 61017344 is about 393.6870233033.

The spelling of 61017344 in words is "sixty-one million, seventeen thousand, three hundred forty-four".