73425491 has 2 divisors, whose sum is σ = 73425492. Its totient is φ = 73425490.

The previous prime is 73425463. The next prime is 73425493. The reversal of 73425491 is 19452437.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73425491 - 2¹⁴ = 73409107 is a prime.

Together with 73425493, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_4307489 and since 73425491 and 4307489 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (73425493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36712745 + 36712746.

It is an arithmetic number, because the mean of its divisors is an integer number (36712746).

Almost surely, 2^73425491 is an apocalyptic number.

73425491 is a deficient number, since it is larger than the sum of its proper divisors (1).

73425491 is an equidigital number, since it uses as much as digits as its factorization.

73425491 is an evil number, because the sum of its binary digits is even.

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

The square root of 73425491 is about 8568.8675447809. The cubic root of 73425491 is about 418.7443431032.

The spelling of 73425491 in words is "seventy-three million, four hundred twenty-five thousand, four hundred ninety-one".