61424578 has 8 divisors (see below), whose sum is σ = 95109120. Its totient is φ = 29721540.

The previous prime is 61424569. The next prime is 61424579. The reversal of 61424578 is 87542416.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (61424579) 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, 495298 + ... + 495421.

It is an arithmetic number, because the mean of its divisors is an integer number (11888640).

Almost surely, 2^61424578 is an apocalyptic number.

61424578 is a deficient number, since it is larger than the sum of its proper divisors (33684542).

61424578 is a wasteful number, since it uses less digits than its factorization.

61424578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990752.

The product of its digits is 53760, while the sum is 37.

The square root of 61424578 is about 7837.3833643634. The cubic root of 61424578 is about 394.5609135723.

The spelling of 61424578 in words is "sixty-one million, four hundred twenty-four thousand, five hundred seventy-eight".