61393694 has 8 divisors (see below), whose sum is σ = 93600408. Its totient is φ = 30193560.

The previous prime is 61393643. The next prime is 61393697. The reversal of 61393694 is 49639316.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61393697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251492 + ... + 251735.

It is an arithmetic number, because the mean of its divisors is an integer number (11700051).

Almost surely, 2^61393694 is an apocalyptic number.

61393694 is a deficient number, since it is larger than the sum of its proper divisors (32206714).

61393694 is a wasteful number, since it uses less digits than its factorization.

61393694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503290.

The product of its digits is 104976, while the sum is 41.

The square root of 61393694 is about 7835.4128161827. The cubic root of 61393694 is about 394.4947746720.

The spelling of 61393694 in words is "sixty-one million, three hundred ninety-three thousand, six hundred ninety-four".