61924648 has 32 divisors (see below), whose sum is σ = 127540800. Its totient is φ = 28055808.

The previous prime is 61924633. The next prime is 61924649. The reversal of 61924648 is 84642916.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 61924648.

It is not an unprimeable number, because it can be changed into a prime (61924649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5361 + ... + 12352.

It is an arithmetic number, because the mean of its divisors is an integer number (3985650).

Almost surely, 2^61924648 is an apocalyptic number.

It is an amenable number.

61924648 is an abundant number, since it is smaller than the sum of its proper divisors (65616152).

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

61924648 is a wasteful number, since it uses less digits than its factorization.

61924648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17761 (or 17757 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 61924648 is about 7869.2215625181. The cubic root of 61924648 is about 395.6287545429.

The spelling of 61924648 in words is "sixty-one million, nine hundred twenty-four thousand, six hundred forty-eight".