61231934 has 32 divisors (see below), whose sum is σ = 100077120. Its totient is φ = 28010752.

The previous prime is 61231931. The next prime is 61231969. The reversal of 61231934 is 43913216.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 61231897 and 61231906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61231931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262682 + ... + 262914.

It is an arithmetic number, because the mean of its divisors is an integer number (3127410).

Almost surely, 2^61231934 is an apocalyptic number.

61231934 is a deficient number, since it is larger than the sum of its proper divisors (38845186).

61231934 is a wasteful number, since it uses less digits than its factorization.

61231934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484.

The product of its digits is 3888, while the sum is 29.

The square root of 61231934 is about 7825.0836417255. The cubic root of 61231934 is about 394.1479985457.

The spelling of 61231934 in words is "sixty-one million, two hundred thirty-one thousand, nine hundred thirty-four".