61573248 has 192 divisors, whose sum is σ = 199536480. Its totient is φ = 18063360.

The previous prime is 61573229. The next prime is 61573249. The reversal of 61573248 is 84237516.

61573248 is a `hidden beast` number, since 61 + 573 + 24 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

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

It is not an unprimeable number, because it can be changed into a prime (61573249) 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, 544840 + ... + 544952.

Almost surely, 2^61573248 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 61573248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99768240).

61573248 is an abundant number, since it is smaller than the sum of its proper divisors (137963232).

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

61573248 is a wasteful number, since it uses less digits than its factorization.

61573248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 172 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 61573248 is about 7846.8623028571. The cubic root of 61573248 is about 394.8789844528.

The spelling of 61573248 in words is "sixty-one million, five hundred seventy-three thousand, two hundred forty-eight".