61794621 has 48 divisors (see below), whose sum is σ = 106704000. Its totient is φ = 33715584.

The previous prime is 61794619. The next prime is 61794641. The reversal of 61794621 is 12649716.

It is not a de Polignac number, because 61794621 - 2¹ = 61794619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61794641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 272110 + ... + 272336.

It is an arithmetic number, because the mean of its divisors is an integer number (2223000).

Almost surely, 2^61794621 is an apocalyptic number.

It is an amenable number.

61794621 is a deficient number, since it is larger than the sum of its proper divisors (44909379).

61794621 is a wasteful number, since it uses less digits than its factorization.

61794621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 415 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 61794621 is about 7860.9554762764. The cubic root of 61794621 is about 395.3516518092.

The spelling of 61794621 in words is "sixty-one million, seven hundred ninety-four thousand, six hundred twenty-one".