61238073 has 16 divisors (see below), whose sum is σ = 88119360. Its totient is φ = 37604544.

The previous prime is 61238059. The next prime is 61238081. The reversal of 61238073 is 37083216.

It is not a de Polignac number, because 61238073 - 2¹⁰ = 61237049 is a prime.

It is a zygodrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 61238073.

It is not an unprimeable number, because it can be changed into a prime (61238033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20563 + ... + 23351.

It is an arithmetic number, because the mean of its divisors is an integer number (5507460).

Almost surely, 2^61238073 is an apocalyptic number.

It is an amenable number.

61238073 is a deficient number, since it is larger than the sum of its proper divisors (26881287).

61238073 is a wasteful number, since it uses less digits than its factorization.

61238073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 61238073 is about 7825.4758960718. The cubic root of 61238073 is about 394.1611702877.

It can be divided in two parts, 6123 and 8073, that added together give a triangular number (14196 = T₁₆₈).

The spelling of 61238073 in words is "sixty-one million, two hundred thirty-eight thousand, seventy-three".