73423505 has 24 divisors (see below), whose sum is σ = 96158400. Its totient is φ = 53669952.

The previous prime is 73423499. The next prime is 73423517. The reversal of 73423505 is 50532437.

It is not a de Polignac number, because 73423505 - 2²⁶ = 6314641 is a prime.

It is a super-2 number, since 2×73423505² = 10782022172970050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79436 + ... + 80354.

It is an arithmetic number, because the mean of its divisors is an integer number (4006600).

Almost surely, 2^73423505 is an apocalyptic number.

It is an amenable number.

73423505 is a deficient number, since it is larger than the sum of its proper divisors (22734895).

73423505 is a wasteful number, since it uses less digits than its factorization.

73423505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001 (or 972 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 73423505 is about 8568.7516593726. The cubic root of 73423505 is about 418.7405676943.

The spelling of 73423505 in words is "seventy-three million, four hundred twenty-three thousand, five hundred five".