61650814 has 4 divisors (see below), whose sum is σ = 92476224. Its totient is φ = 30825406.

The previous prime is 61650709. The next prime is 61650821. The reversal of 61650814 is 41805616.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15412702 + ... + 15412705.

It is an arithmetic number, because the mean of its divisors is an integer number (23119056).

Almost surely, 2^61650814 is an apocalyptic number.

61650814 is a deficient number, since it is larger than the sum of its proper divisors (30825410).

61650814 is a wasteful number, since it uses less digits than its factorization.

61650814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30825409.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 61650814 is about 7851.8032323792. The cubic root of 61650814 is about 395.0447292188.

The spelling of 61650814 in words is "sixty-one million, six hundred fifty thousand, eight hundred fourteen".