61401432 has 32 divisors (see below), whose sum is σ = 154529280. Its totient is φ = 20330400.

The previous prime is 61401427. The next prime is 61401449. The reversal of 61401432 is 23410416.

61401432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61401399 and 61401408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4848 + ... + 12095.

It is an arithmetic number, because the mean of its divisors is an integer number (4829040).

Almost surely, 2^61401432 is an apocalyptic number.

It is an amenable number.

61401432 is an abundant number, since it is smaller than the sum of its proper divisors (93127848).

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

61401432 is a wasteful number, since it uses less digits than its factorization.

61401432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17103 (or 17099 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 61401432 is about 7835.9065844355. The cubic root of 61401432 is about 394.5113478851.

Adding to 61401432 its reverse (23410416), we get a palindrome (84811848).

The spelling of 61401432 in words is "sixty-one million, four hundred one thousand, four hundred thirty-two".