61324488 has 48 divisors (see below), whose sum is σ = 167326380. Its totient is φ = 20289024.

The previous prime is 61324481. The next prime is 61324511. The reversal of 61324488 is 88442316.

It can be written as a sum of positive squares in 2 ways, for example, as 59629284 + 1695204 = 7722^2 + 1302^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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 (61324481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6756 + ... + 12972.

Almost surely, 2^61324488 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 61324488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83663190).

61324488 is an abundant number, since it is smaller than the sum of its proper divisors (106001892).

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

61324488 is a wasteful number, since it uses less digits than its factorization.

61324488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6366 (or 6359 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 61324488 is about 7830.9953390358. The cubic root of 61324488 is about 394.3464876166.

The spelling of 61324488 in words is "sixty-one million, three hundred twenty-four thousand, four hundred eighty-eight".