61529468 has 96 divisors (see below), whose sum is σ = 146915328. Its totient is φ = 21954240.

The previous prime is 61529423. The next prime is 61529471. The reversal of 61529468 is 86492516.

It is a happy number.

Its product of digits (103680) is a multiple of the sum of its prime divisors (160).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 484421 + ... + 484547.

It is an arithmetic number, because the mean of its divisors is an integer number (1530368).

Almost surely, 2^61529468 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 61529468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73457664).

61529468 is an abundant number, since it is smaller than the sum of its proper divisors (85385860).

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

61529468 is a wasteful number, since it uses less digits than its factorization.

61529468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 160 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 61529468 is about 7844.0721567308. The cubic root of 61529468 is about 394.7853729063.

The spelling of 61529468 in words is "sixty-one million, five hundred twenty-nine thousand, four hundred sixty-eight".