73759421 has 4 divisors (see below), whose sum is σ = 73879200. Its totient is φ = 73639644.

The previous prime is 73759393. The next prime is 73759453. The reversal of 73759421 is 12495737.

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 73759421 - 2²⁶ = 6650557 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 (73759471) 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, 58961 + ... + 60198.

It is an arithmetic number, because the mean of its divisors is an integer number (18469800).

Almost surely, 2^73759421 is an apocalyptic number.

It is an amenable number.

73759421 is a deficient number, since it is larger than the sum of its proper divisors (119779).

73759421 is a wasteful number, since it uses less digits than its factorization.

73759421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119778.

The product of its digits is 52920, while the sum is 38.

The square root of 73759421 is about 8588.3305129693. The cubic root of 73759421 is about 419.3781822605.

The spelling of 73759421 in words is "seventy-three million, seven hundred fifty-nine thousand, four hundred twenty-one".