73520003 has 8 divisors (see below), whose sum is σ = 76962816. Its totient is φ = 70144200.

The previous prime is 73519993. The next prime is 73520023. The reversal of 73520003 is 30002537.

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 73520003 - 2⁶ = 73519939 is a prime.

It is a super-2 number, since 2×73520003² = 10810381682240018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73520023) 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, 14501 + ... + 18902.

It is an arithmetic number, because the mean of its divisors is an integer number (9620352).

Almost surely, 2^73520003 is an apocalyptic number.

73520003 is a deficient number, since it is larger than the sum of its proper divisors (3442813).

73520003 is a wasteful number, since it uses less digits than its factorization.

73520003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33505.

The product of its (nonzero) digits is 630, while the sum is 20.

The square root of 73520003 is about 8574.3806190302. The cubic root of 73520003 is about 418.9239328537.

The spelling of 73520003 in words is "seventy-three million, five hundred twenty thousand, three".