61746552 has 96 divisors (see below), whose sum is σ = 193171680. Its totient is φ = 17452800.

The previous prime is 61746547. The next prime is 61746571. The reversal of 61746552 is 25564716.

It is a happy number.

61746552 is a `hidden beast` number, since 61 + 7 + 46 + 552 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50298 + ... + 51510.

It is an arithmetic number, because the mean of its divisors is an integer number (2012205).

Almost surely, 2^61746552 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 61746552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96585840).

61746552 is an abundant number, since it is smaller than the sum of its proper divisors (131425128).

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

61746552 is a wasteful number, since it uses less digits than its factorization.

61746552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333 (or 1326 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 61746552 is about 7857.8974287019. The cubic root of 61746552 is about 395.2491127422.

The spelling of 61746552 in words is "sixty-one million, seven hundred forty-six thousand, five hundred fifty-two".