61428574 has 8 divisors (see below), whose sum is σ = 92304288. Its totient is φ = 30660480.

The previous prime is 61428559. The next prime is 61428581. The reversal of 61428574 is 47582416.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25462 + ... + 27769.

It is an arithmetic number, because the mean of its divisors is an integer number (11538036).

Almost surely, 2^61428574 is an apocalyptic number.

61428574 is a deficient number, since it is larger than the sum of its proper divisors (30875714).

61428574 is a wasteful number, since it uses less digits than its factorization.

61428574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53810.

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

The square root of 61428574 is about 7837.6382922408. The cubic root of 61428574 is about 394.5694694917.

The spelling of 61428574 in words is "sixty-one million, four hundred twenty-eight thousand, five hundred seventy-four".