61939194 has 32 divisors (see below), whose sum is σ = 132658560. Its totient is φ = 19210752.

The previous prime is 61939181. The next prime is 61939201. The reversal of 61939194 is 49193916.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5667 + ... + 12489.

It is an arithmetic number, because the mean of its divisors is an integer number (4145580).

Almost surely, 2^61939194 is an apocalyptic number.

61939194 is an abundant number, since it is smaller than the sum of its proper divisors (70719366).

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

61939194 is a wasteful number, since it uses less digits than its factorization.

61939194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6934.

The product of its digits is 52488, while the sum is 42.

The square root of 61939194 is about 7870.1457419796. The cubic root of 61939194 is about 395.6597296366.

The spelling of 61939194 in words is "sixty-one million, nine hundred thirty-nine thousand, one hundred ninety-four".