61424304 has 20 divisors (see below), whose sum is σ = 158679576. Its totient is φ = 20474752.

The previous prime is 61424303. The next prime is 61424323. The reversal of 61424304 is 40342416.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (61424303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639789 + ... + 639884.

Almost surely, 2^61424304 is an apocalyptic number.

It is an amenable number.

61424304 is an abundant number, since it is smaller than the sum of its proper divisors (97255272).

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

61424304 is a wasteful number, since it uses less digits than its factorization.

61424304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279684 (or 1279678 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 61424304 is about 7837.3658840200. The cubic root of 61424304 is about 394.5603268915.

The spelling of 61424304 in words is "sixty-one million, four hundred twenty-four thousand, three hundred four".