61043996 has 48 divisors (see below), whose sum is σ = 118752480. Its totient is φ = 27283200.

The previous prime is 61043977. The next prime is 61043999. The reversal of 61043996 is 69934016.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61043999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309770 + ... + 309966.

It is an arithmetic number, because the mean of its divisors is an integer number (2474010).

Almost surely, 2^61043996 is an apocalyptic number.

It is an amenable number.

61043996 is a deficient number, since it is larger than the sum of its proper divisors (57708484).

61043996 is a wasteful number, since it uses less digits than its factorization.

61043996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 61043996 is about 7813.0657235172. The cubic root of 61043996 is about 393.7443349819.

The spelling of 61043996 in words is "sixty-one million, forty-three thousand, nine hundred ninety-six".