61745052 has 24 divisors (see below), whose sum is σ = 144960256. Its totient is φ = 20454768.

The previous prime is 61745029. The next prime is 61745063. The reversal of 61745052 is 25054716.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13828 + ... + 17739.

Almost surely, 2^61745052 is an apocalyptic number.

It is an amenable number.

61745052 is an abundant number, since it is smaller than the sum of its proper divisors (83215204).

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

61745052 is a wasteful number, since it uses less digits than its factorization.

61745052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31737 (or 31735 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 61745052 is about 7857.8019827430. The cubic root of 61745052 is about 395.2459121399.

Adding to 61745052 its reverse (25054716), we get a palindrome (86799768).

The spelling of 61745052 in words is "sixty-one million, seven hundred forty-five thousand, fifty-two".