73531501 has 8 divisors (see below), whose sum is σ = 80071200. Its totient is φ = 67258800.

The previous prime is 73531489. The next prime is 73531517. The reversal of 73531501 is 10513537.

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

It is a cyclic number.

It is not a de Polignac number, because 73531501 - 2¹⁹ = 73007213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73531531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66175 + ... + 67276.

It is an arithmetic number, because the mean of its divisors is an integer number (10008900).

Almost surely, 2^73531501 is an apocalyptic number.

It is an amenable number.

73531501 is a deficient number, since it is larger than the sum of its proper divisors (6539699).

73531501 is a wasteful number, since it uses less digits than its factorization.

73531501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133499.

The product of its (nonzero) digits is 1575, while the sum is 25.

The square root of 73531501 is about 8575.0510785651. The cubic root of 73531501 is about 418.9457706126.

The spelling of 73531501 in words is "seventy-three million, five hundred thirty-one thousand, five hundred one".