73003723 has 16 divisors (see below), whose sum is σ = 81595360. Its totient is φ = 64882944.

The previous prime is 73003717. The next prime is 73003741. The reversal of 73003723 is 32730037.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 73003723 - 2¹⁷ = 72872651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73003703) 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, 39913 + ... + 41701.

It is an arithmetic number, because the mean of its divisors is an integer number (5099710).

Almost surely, 2^73003723 is an apocalyptic number.

73003723 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

73003723 is a deficient number, since it is larger than the sum of its proper divisors (8591637).

73003723 is a wasteful number, since it uses less digits than its factorization.

73003723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918.

The product of its (nonzero) digits is 2646, while the sum is 25.

The square root of 73003723 is about 8544.2216146352. The cubic root of 73003723 is about 417.9410243940.

The spelling of 73003723 in words is "seventy-three million, three thousand, seven hundred twenty-three".