61403224 has 16 divisors (see below), whose sum is σ = 116589600. Its totient is φ = 30312672.

The previous prime is 61403213. The next prime is 61403227. The reversal of 61403224 is 42230416.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 61403195 and 61403204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61403227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47947 + ... + 49210.

It is an arithmetic number, because the mean of its divisors is an integer number (7286850).

Almost surely, 2^61403224 is an apocalyptic number.

It is an amenable number.

61403224 is a deficient number, since it is larger than the sum of its proper divisors (55186376).

61403224 is a wasteful number, since it uses less digits than its factorization.

61403224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97242 (or 97238 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 61403224 is about 7836.0209290175. The cubic root of 61403224 is about 394.5151857840.

The spelling of 61403224 in words is "sixty-one million, four hundred three thousand, two hundred twenty-four".