61406432 has 48 divisors (see below), whose sum is σ = 124270272. Its totient is φ = 29859840.

The previous prime is 61406419. The next prime is 61406453. The reversal of 61406432 is 23460416.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226457 + ... + 226727.

It is an arithmetic number, because the mean of its divisors is an integer number (2588964).

Almost surely, 2^61406432 is an apocalyptic number.

It is an amenable number.

61406432 is an abundant number, since it is smaller than the sum of its proper divisors (62863840).

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

61406432 is a wasteful number, since it uses less digits than its factorization.

61406432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 61406432 is about 7836.2256220709. The cubic root of 61406432 is about 394.5220561218.

Adding to 61406432 its reverse (23460416), we get a palindrome (84866848).

The spelling of 61406432 in words is "sixty-one million, four hundred six thousand, four hundred thirty-two".