61713494 has 4 divisors (see below), whose sum is σ = 92570244. Its totient is φ = 30856746.

The previous prime is 61713473. The next prime is 61713497. The reversal of 61713494 is 49431716.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61713497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15428372 + ... + 15428375.

It is an arithmetic number, because the mean of its divisors is an integer number (23142561).

Almost surely, 2^61713494 is an apocalyptic number.

61713494 is a deficient number, since it is larger than the sum of its proper divisors (30856750).

61713494 is a wasteful number, since it uses less digits than its factorization.

61713494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30856749.

The product of its digits is 18144, while the sum is 35.

The square root of 61713494 is about 7855.7936581863. The cubic root of 61713494 is about 395.1785637143.

The spelling of 61713494 in words is "sixty-one million, seven hundred thirteen thousand, four hundred ninety-four".