61884045 has 24 divisors (see below), whose sum is σ = 112912800. Its totient is φ = 31267296.

The previous prime is 61884037. The next prime is 61884089. The reversal of 61884045 is 54048816.

It is not a de Polignac number, because 61884045 - 2³ = 61884037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35335 + ... + 37044.

It is an arithmetic number, because the mean of its divisors is an integer number (4704700).

Almost surely, 2^61884045 is an apocalyptic number.

It is an amenable number.

61884045 is a deficient number, since it is larger than the sum of its proper divisors (51028755).

61884045 is a wasteful number, since it uses less digits than its factorization.

61884045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72409 (or 72406 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 61884045 is about 7866.6412782076. The cubic root of 61884045 is about 395.5422664911.

The spelling of 61884045 in words is "sixty-one million, eight hundred eighty-four thousand, forty-five".