61709854 has 8 divisors (see below), whose sum is σ = 95756760. Its totient is φ = 29790936.

The previous prime is 61709827. The next prime is 61709873. The reversal of 61709854 is 45890716.

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, 531924 + ... + 532039.

It is an arithmetic number, because the mean of its divisors is an integer number (11969595).

Almost surely, 2^61709854 is an apocalyptic number.

61709854 is a deficient number, since it is larger than the sum of its proper divisors (34046906).

61709854 is a wasteful number, since it uses less digits than its factorization.

61709854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063994.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 61709854 is about 7855.5619786238. The cubic root of 61709854 is about 395.1707940562.

The spelling of 61709854 in words is "sixty-one million, seven hundred nine thousand, eight hundred fifty-four".