61572842 has 8 divisors (see below), whose sum is σ = 92766816. Its totient is φ = 30650572.

The previous prime is 61572839. The next prime is 61572877. The reversal of 61572842 is 24827516.

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

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, 67358 + ... + 68265.

It is an arithmetic number, because the mean of its divisors is an integer number (11595852).

Almost surely, 2^61572842 is an apocalyptic number.

61572842 is a deficient number, since it is larger than the sum of its proper divisors (31193974).

61572842 is a wasteful number, since it uses less digits than its factorization.

61572842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135852.

The product of its digits is 26880, while the sum is 35.

The square root of 61572842 is about 7846.8364326014. The cubic root of 61572842 is about 394.8781165368.

The spelling of 61572842 in words is "sixty-one million, five hundred seventy-two thousand, eight hundred forty-two".