61724896 has 24 divisors (see below), whose sum is σ = 122403960. Its totient is φ = 30638208.

The previous prime is 61724891. The next prime is 61724911. The reversal of 61724896 is 69842716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61724891) 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, 2491 + ... + 11386.

It is an arithmetic number, because the mean of its divisors is an integer number (5100165).

Almost surely, 2^61724896 is an apocalyptic number.

It is an amenable number.

61724896 is a deficient number, since it is larger than the sum of its proper divisors (60679064).

61724896 is a wasteful number, since it uses less digits than its factorization.

61724896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14026 (or 14018 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 61724896 is about 7856.5193311033. The cubic root of 61724896 is about 395.2028995509.

The spelling of 61724896 in words is "sixty-one million, seven hundred twenty-four thousand, eight hundred ninety-six".