73421254 has 4 divisors (see below), whose sum is σ = 110131884. Its totient is φ = 36710626.

The previous prime is 73421251. The next prime is 73421279. The reversal of 73421254 is 45212437.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45212437 = 109 ⋅414793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73421251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18355312 + ... + 18355315.

It is an arithmetic number, because the mean of its divisors is an integer number (27532971).

Almost surely, 2^73421254 is an apocalyptic number.

73421254 is a deficient number, since it is larger than the sum of its proper divisors (36710630).

73421254 is a wasteful number, since it uses less digits than its factorization.

73421254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36710629.

The product of its digits is 6720, while the sum is 28.

The square root of 73421254 is about 8568.6203090112. The cubic root of 73421254 is about 418.7362884350.

The spelling of 73421254 in words is "seventy-three million, four hundred twenty-one thousand, two hundred fifty-four".