61403834 has 8 divisors (see below), whose sum is σ = 92160180. Its totient is φ = 30683776.

The previous prime is 61403827. The next prime is 61403843. The reversal of 61403834 is 43830416.

It can be written as a sum of positive squares in 2 ways, for example, as 60918025 + 485809 = 7805^2 + 697^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 61403797 and 61403806.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4349 + ... + 11904.

Almost surely, 2^61403834 is an apocalyptic number.

61403834 is a deficient number, since it is larger than the sum of its proper divisors (30756346).

61403834 is a wasteful number, since it uses less digits than its factorization.

61403834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18144.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 61403834 is about 7836.0598517367. The cubic root of 61403834 is about 394.5164921946.

The spelling of 61403834 in words is "sixty-one million, four hundred three thousand, eight hundred thirty-four".