73153545 has 8 divisors (see below), whose sum is σ = 117045696. Its totient is φ = 39015216.

The previous prime is 73153543. The next prime is 73153559. The reversal of 73153545 is 54535137.

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

It is not a de Polignac number, because 73153545 - 2¹ = 73153543 is a prime.

It is a super-2 number, since 2×73153545² = 10702882292134050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73153543) 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, 2438437 + ... + 2438466.

It is an arithmetic number, because the mean of its divisors is an integer number (14630712).

Almost surely, 2^73153545 is an apocalyptic number.

It is an amenable number.

73153545 is a deficient number, since it is larger than the sum of its proper divisors (43892151).

73153545 is a wasteful number, since it uses less digits than its factorization.

73153545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4876911.

The product of its digits is 31500, while the sum is 33.

The square root of 73153545 is about 8552.9845668047. The cubic root of 73153545 is about 418.2267357305.

The spelling of 73153545 in words is "seventy-three million, one hundred fifty-three thousand, five hundred forty-five".