74230073 has 4 divisors (see below), whose sum is σ = 74923920. Its totient is φ = 73536228.

The previous prime is 74230067. The next prime is 74230087. The reversal of 74230073 is 37003247.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74230073 - 2⁸ = 74229817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74230043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346763 + ... + 346976.

It is an arithmetic number, because the mean of its divisors is an integer number (18730980).

Almost surely, 2^74230073 is an apocalyptic number.

It is an amenable number.

74230073 is a deficient number, since it is larger than the sum of its proper divisors (693847).

74230073 is a wasteful number, since it uses less digits than its factorization.

74230073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693846.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 74230073 is about 8615.6876104000. The cubic root of 74230073 is about 420.2682960740.

The spelling of 74230073 in words is "seventy-four million, two hundred thirty thousand, seventy-three".