61394039 has 8 divisors (see below), whose sum is σ = 70218240. Its totient is φ = 52583256.

The previous prime is 61394029. The next prime is 61394051. The reversal of 61394039 is 93049316.

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

It is a cyclic number.

It is not a de Polignac number, because 61394039 - 2⁴ = 61394023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61394029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10022 + ... + 14940.

It is an arithmetic number, because the mean of its divisors is an integer number (8777280).

Almost surely, 2^61394039 is an apocalyptic number.

61394039 is a deficient number, since it is larger than the sum of its proper divisors (8824201).

61394039 is a wasteful number, since it uses less digits than its factorization.

61394039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6709.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 61394039 is about 7835.4348315840. The cubic root of 61394039 is about 394.4955136211.

The spelling of 61394039 in words is "sixty-one million, three hundred ninety-four thousand, thirty-nine".