61589733 has 4 divisors (see below), whose sum is σ = 82119648. Its totient is φ = 41059820.

The previous prime is 61589711. The next prime is 61589747. The reversal of 61589733 is 33798516.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61589733 - 2²⁰ = 60541157 is a prime.

It is a super-2 number, since 2×61589733² = 7586590422022578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61589753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10264953 + ... + 10264958.

It is an arithmetic number, because the mean of its divisors is an integer number (20529912).

Almost surely, 2^61589733 is an apocalyptic number.

It is an amenable number.

61589733 is a deficient number, since it is larger than the sum of its proper divisors (20529915).

61589733 is a wasteful number, since it uses less digits than its factorization.

61589733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20529914.

The product of its digits is 136080, while the sum is 42.

The square root of 61589733 is about 7847.9126524191. The cubic root of 61589733 is about 394.9142216130.

The spelling of 61589733 in words is "sixty-one million, five hundred eighty-nine thousand, seven hundred thirty-three".