61748634 has 16 divisors (see below), whose sum is σ = 126835488. Its totient is φ = 20026512.

The previous prime is 61748611. The next prime is 61748639. The reversal of 61748634 is 43684716.

It is a junction number, because it is equal to n+sod(n) for n = 61748592 and 61748601.

It is not an unprimeable number, because it can be changed into a prime (61748639) 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, 138852 + ... + 139295.

It is an arithmetic number, because the mean of its divisors is an integer number (7927218).

Almost surely, 2^61748634 is an apocalyptic number.

61748634 is an abundant number, since it is smaller than the sum of its proper divisors (65086854).

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

61748634 is a wasteful number, since it uses less digits than its factorization.

61748634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278189.

The product of its digits is 96768, while the sum is 39.

The square root of 61748634 is about 7858.0299057715. The cubic root of 61748634 is about 395.2535550923.

The spelling of 61748634 in words is "sixty-one million, seven hundred forty-eight thousand, six hundred thirty-four".