61634514 has 16 divisors (see below), whose sum is σ = 123467328. Its totient is φ = 20511792.

The previous prime is 61634513. The next prime is 61634539. The reversal of 61634514 is 41543616.

It is not an unprimeable number, because it can be changed into a prime (61634513) 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, 4057 + ... + 11820.

It is an arithmetic number, because the mean of its divisors is an integer number (7716708).

Almost surely, 2^61634514 is an apocalyptic number.

61634514 is an abundant number, since it is smaller than the sum of its proper divisors (61832814).

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

61634514 is a wasteful number, since it uses less digits than its factorization.

61634514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16529.

The product of its digits is 8640, while the sum is 30.

The square root of 61634514 is about 7850.7651856364. The cubic root of 61634514 is about 395.0099105562.

The spelling of 61634514 in words is "sixty-one million, six hundred thirty-four thousand, five hundred fourteen".