61133752 has 16 divisors (see below), whose sum is σ = 115228800. Its totient is φ = 30406080.

The previous prime is 61133749. The next prime is 61133771. The reversal of 61133752 is 25733116.

It is a self number, because there is not a number n which added to its sum of digits gives 61133752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18477 + ... + 21532.

It is an arithmetic number, because the mean of its divisors is an integer number (7201800).

Almost surely, 2^61133752 is an apocalyptic number.

It is an amenable number.

61133752 is a deficient number, since it is larger than the sum of its proper divisors (54095048).

61133752 is a wasteful number, since it uses less digits than its factorization.

61133752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40206 (or 40202 counting only the distinct ones).

The product of its digits is 3780, while the sum is 28.

The square root of 61133752 is about 7818.8075817224. The cubic root of 61133752 is about 393.9372210521.

Adding to 61133752 its reverse (25733116), we get a palindrome (86866868).

The spelling of 61133752 in words is "sixty-one million, one hundred thirty-three thousand, seven hundred fifty-two".