61461858 has 16 divisors (see below), whose sum is σ = 123001056. Its totient is φ = 20474400.

The previous prime is 61461823. The next prime is 61461859. The reversal of 61461858 is 85816416.

It is not an unprimeable number, because it can be changed into a prime (61461859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15310 + ... + 18902.

It is an arithmetic number, because the mean of its divisors is an integer number (7687566).

Almost surely, 2^61461858 is an apocalyptic number.

61461858 is an abundant number, since it is smaller than the sum of its proper divisors (61539198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61461858 is a wasteful number, since it uses less digits than its factorization.

61461858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6449.

The product of its digits is 46080, while the sum is 39.

The square root of 61461858 is about 7839.7613484085. The cubic root of 61461858 is about 394.6407201500.

The spelling of 61461858 in words is "sixty-one million, four hundred sixty-one thousand, eight hundred fifty-eight".