61432371 has 64 divisors (see below), whose sum is σ = 122250240. Its totient is φ = 29445120.

The previous prime is 61432369. The next prime is 61432409. The reversal of 61432371 is 17323416.

61432371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61432371 - 2¹ = 61432369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (61432361) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 25891 + ... + 28163.

It is an arithmetic number, because the mean of its divisors is an integer number (1910160).

Almost surely, 2^61432371 is an apocalyptic number.

61432371 is a deficient number, since it is larger than the sum of its proper divisors (60817869).

61432371 is a wasteful number, since it uses less digits than its factorization.

61432371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313 (or 2307 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 61432371 is about 7837.8805170786. The cubic root of 61432371 is about 394.5775989843.

Adding to 61432371 its reverse (17323416), we get a palindrome (78755787).

The spelling of 61432371 in words is "sixty-one million, four hundred thirty-two thousand, three hundred seventy-one".