61453752 has 96 divisors (see below), whose sum is σ = 167060880. Its totient is φ = 18823680.

The previous prime is 61453703. The next prime is 61453757. The reversal of 61453752 is 25735416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61453757) 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, 355138 + ... + 355310.

Almost surely, 2^61453752 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 61453752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83530440).

61453752 is an abundant number, since it is smaller than the sum of its proper divisors (105607128).

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

61453752 is a wasteful number, since it uses less digits than its factorization.

61453752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 238 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 61453752 is about 7839.2443513390. The cubic root of 61453752 is about 394.6233701033.

The spelling of 61453752 in words is "sixty-one million, four hundred fifty-three thousand, seven hundred fifty-two".