73615641 has 8 divisors (see below), whose sum is σ = 107077344. Its totient is φ = 44615520.

The previous prime is 73615637. The next prime is 73615643. The reversal of 73615641 is 14651637.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73615641 - 2² = 73615637 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2230777 = 73615641 / (7 + 3 + 6 + 1 + 5 + 6 + 4 + 1).

It is not an unprimeable number, because it can be changed into a prime (73615643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1115356 + ... + 1115421.

It is an arithmetic number, because the mean of its divisors is an integer number (13384668).

Almost surely, 2^73615641 is an apocalyptic number.

It is an amenable number.

73615641 is a deficient number, since it is larger than the sum of its proper divisors (33461703).

73615641 is a wasteful number, since it uses less digits than its factorization.

73615641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230791.

The product of its digits is 15120, while the sum is 33.

The square root of 73615641 is about 8579.9557691168. The cubic root of 73615641 is about 419.1055056013.

The spelling of 73615641 in words is "seventy-three million, six hundred fifteen thousand, six hundred forty-one".