61256734 has 24 divisors (see below), whose sum is σ = 115429104. Its totient is φ = 23865600.

The previous prime is 61256707. The next prime is 61256753. The reversal of 61256734 is 43765216.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 61256734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16387 + ... + 19774.

It is an arithmetic number, because the mean of its divisors is an integer number (4809546).

Almost surely, 2^61256734 is an apocalyptic number.

61256734 is a deficient number, since it is larger than the sum of its proper divisors (54172370).

61256734 is a wasteful number, since it uses less digits than its factorization.

61256734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36192 (or 36181 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 61256734 is about 7826.6681289039. The cubic root of 61256734 is about 394.2012036320.

The spelling of 61256734 in words is "sixty-one million, two hundred fifty-six thousand, seven hundred thirty-four".