61844534 has 16 divisors (see below), whose sum is σ = 95038272. Its totient is φ = 30171648.

The previous prime is 61844513. The next prime is 61844537. The reversal of 61844534 is 43544816.

It is a junction number, because it is equal to n+sod(n) for n = 61844494 and 61844503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61844537) 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, 18947 + ... + 21969.

It is an arithmetic number, because the mean of its divisors is an integer number (5939892).

Almost surely, 2^61844534 is an apocalyptic number.

61844534 is a deficient number, since it is larger than the sum of its proper divisors (33193738).

61844534 is a wasteful number, since it uses less digits than its factorization.

61844534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271.

The product of its digits is 46080, while the sum is 35.

The square root of 61844534 is about 7864.1295767555. The cubic root of 61844534 is about 395.4580681719.

The spelling of 61844534 in words is "sixty-one million, eight hundred forty-four thousand, five hundred thirty-four".