61043694 has 32 divisors (see below), whose sum is σ = 131258880. Its totient is φ = 18865152.

The previous prime is 61043687. The next prime is 61043699. The reversal of 61043694 is 49634016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61043699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339 + ... + 11054.

It is an arithmetic number, because the mean of its divisors is an integer number (4101840).

Almost surely, 2^61043694 is an apocalyptic number.

61043694 is an abundant number, since it is smaller than the sum of its proper divisors (70215186).

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

61043694 is a wasteful number, since it uses less digits than its factorization.

61043694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11464.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 61043694 is about 7813.0463968928. The cubic root of 61043694 is about 393.7436856634.

The spelling of 61043694 in words is "sixty-one million, forty-three thousand, six hundred ninety-four".