61064734 has 4 divisors (see below), whose sum is σ = 91597104. Its totient is φ = 30532366.

The previous prime is 61064711. The next prime is 61064741. The reversal of 61064734 is 43746016.

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 junction number, because it is equal to n+sod(n) for n = 61064696 and 61064705.

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, 15266182 + ... + 15266185.

It is an arithmetic number, because the mean of its divisors is an integer number (22899276).

Almost surely, 2^61064734 is an apocalyptic number.

61064734 is a deficient number, since it is larger than the sum of its proper divisors (30532370).

61064734 is a wasteful number, since it uses less digits than its factorization.

61064734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30532369.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 61064734 is about 7814.3927467206. The cubic root of 61064734 is about 393.7889178296.

The spelling of 61064734 in words is "sixty-one million, sixty-four thousand, seven hundred thirty-four".