61994514 has 16 divisors (see below), whose sum is σ = 124186752. Its totient is φ = 20631888.

The previous prime is 61994503. The next prime is 61994557. The reversal of 61994514 is 41549916.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3994 + ... + 11829.

It is an arithmetic number, because the mean of its divisors is an integer number (7761672).

Almost surely, 2^61994514 is an apocalyptic number.

61994514 is an abundant number, since it is smaller than the sum of its proper divisors (62192238).

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

61994514 is a wasteful number, since it uses less digits than its factorization.

61994514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16481.

The product of its digits is 38880, while the sum is 39.

The square root of 61994514 is about 7873.6595049570. The cubic root of 61994514 is about 395.7774869714. Note that the first 3 decimals are identical.

The spelling of 61994514 in words is "sixty-one million, nine hundred ninety-four thousand, five hundred fourteen".