73495421 has 4 divisors (see below), whose sum is σ = 74380992. Its totient is φ = 72609852.

The previous prime is 73495397. The next prime is 73495427. The reversal of 73495421 is 12459437.

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 73495421 - 2²⁶ = 6386557 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 (73495427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442661 + ... + 442826.

It is an arithmetic number, because the mean of its divisors is an integer number (18595248).

Almost surely, 2^73495421 is an apocalyptic number.

It is an amenable number.

73495421 is a deficient number, since it is larger than the sum of its proper divisors (885571).

73495421 is an equidigital number, since it uses as much as digits as its factorization.

73495421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885570.

The product of its digits is 30240, while the sum is 35.

The square root of 73495421 is about 8572.9470428785. The cubic root of 73495421 is about 418.8772374617.

The spelling of 73495421 in words is "seventy-three million, four hundred ninety-five thousand, four hundred twenty-one".