61344528 has 160 divisors (see below), whose sum is σ = 191154432. Its totient is φ = 16588800.

The previous prime is 61344509. The next prime is 61344529. The reversal of 61344528 is 82544316.

It is a super-2 number, since 2×61344528² = 7526302231085568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61344529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 840300 + ... + 840372.

Almost surely, 2^61344528 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 61344528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95577216).

61344528 is an abundant number, since it is smaller than the sum of its proper divisors (129809904).

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

61344528 is a wasteful number, since it uses less digits than its factorization.

61344528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 187 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 61344528 is about 7832.2747653539. The cubic root of 61344528 is about 394.3894386095.

The spelling of 61344528 in words is "sixty-one million, three hundred forty-four thousand, five hundred twenty-eight".