61568232 has 64 divisors (see below), whose sum is σ = 173352960. Its totient is φ = 18052800.

The previous prime is 61568231. The next prime is 61568233. The reversal of 61568232 is 23286516.

It is an interprime number because it is at equal distance from previous prime (61568231) and next prime (61568233).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 61568193 and 61568202.

It is not an unprimeable number, because it can be changed into a prime (61568231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4423 + ... + 11945.

It is an arithmetic number, because the mean of its divisors is an integer number (2708640).

Almost surely, 2^61568232 is an apocalyptic number.

61568232 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61568232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86676480).

61568232 is an abundant number, since it is smaller than the sum of its proper divisors (111784728).

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

61568232 is a wasteful number, since it uses less digits than its factorization.

61568232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7574 (or 7570 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 61568232 is about 7846.5426781481. The cubic root of 61568232 is about 394.8682613610.

The spelling of 61568232 in words is "sixty-one million, five hundred sixty-eight thousand, two hundred thirty-two".