61345858 has 8 divisors (see below), whose sum is σ = 105164352. Its totient is φ = 26291076.

The previous prime is 61345849. The next prime is 61345861. The reversal of 61345858 is 85854316.

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

It is a self number, because there is not a number n which added to its sum of digits gives 61345858.

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, 2190910 + ... + 2190937.

It is an arithmetic number, because the mean of its divisors is an integer number (13145544).

Almost surely, 2^61345858 is an apocalyptic number.

61345858 is a deficient number, since it is larger than the sum of its proper divisors (43818494).

61345858 is a wasteful number, since it uses less digits than its factorization.

61345858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4381856.

The product of its digits is 115200, while the sum is 40.

The square root of 61345858 is about 7832.3596699845. The cubic root of 61345858 is about 394.3922888184.

The spelling of 61345858 in words is "sixty-one million, three hundred forty-five thousand, eight hundred fifty-eight".