61789475 has 24 divisors (see below), whose sum is σ = 88507728. Its totient is φ = 42291200.

The previous prime is 61789447. The next prime is 61789487. The reversal of 61789475 is 57498716.

It is not a de Polignac number, because 61789475 - 2⁸ = 61789219 is a prime.

It is a Duffinian 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, 1934 + ... + 11283.

It is an arithmetic number, because the mean of its divisors is an integer number (3687822).

Almost surely, 2^61789475 is an apocalyptic number.

61789475 is a deficient number, since it is larger than the sum of its proper divisors (26718253).

61789475 is a wasteful number, since it uses less digits than its factorization.

61789475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13255 (or 13250 counting only the distinct ones).

The product of its digits is 423360, while the sum is 47.

The square root of 61789475 is about 7860.6281555611. The cubic root of 61789475 is about 395.3406770888.

The spelling of 61789475 in words is "sixty-one million, seven hundred eighty-nine thousand, four hundred seventy-five".