61533734 has 4 divisors (see below), whose sum is σ = 92300604. Its totient is φ = 30766866.

The previous prime is 61533709. The next prime is 61533749. The reversal of 61533734 is 43733516.

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

It is a self number, because there is not a number n which added to its sum of digits gives 61533734.

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, 15383432 + ... + 15383435.

It is an arithmetic number, because the mean of its divisors is an integer number (23075151).

Almost surely, 2^61533734 is an apocalyptic number.

61533734 is a deficient number, since it is larger than the sum of its proper divisors (30766870).

61533734 is a wasteful number, since it uses less digits than its factorization.

61533734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30766869.

The product of its digits is 22680, while the sum is 32.

The square root of 61533734 is about 7844.3440771042. The cubic root of 61533734 is about 394.7944965318.

The spelling of 61533734 in words is "sixty-one million, five hundred thirty-three thousand, seven hundred thirty-four".