61694494 has 4 divisors (see below), whose sum is σ = 92541744. Its totient is φ = 30847246.

The previous prime is 61694483. The next prime is 61694519. The reversal of 61694494 is 49449616.

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

It is a self number, because there is not a number n which added to its sum of digits gives 61694494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15423622 + ... + 15423625.

It is an arithmetic number, because the mean of its divisors is an integer number (23135436).

Almost surely, 2^61694494 is an apocalyptic number.

61694494 is a deficient number, since it is larger than the sum of its proper divisors (30847250).

61694494 is a wasteful number, since it uses less digits than its factorization.

61694494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30847249.

The product of its digits is 186624, while the sum is 43.

The square root of 61694494 is about 7854.5842665287. The cubic root of 61694494 is about 395.1380044411.

The spelling of 61694494 in words is "sixty-one million, six hundred ninety-four thousand, four hundred ninety-four".