73425621 has 8 divisors (see below), whose sum is σ = 98448480. Its totient is φ = 48676592.

The previous prime is 73425619. The next prime is 73425641. The reversal of 73425621 is 12652437.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73425621 - 2¹ = 73425619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73425641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67830 + ... + 68903.

It is an arithmetic number, because the mean of its divisors is an integer number (12306060).

Almost surely, 2^73425621 is an apocalyptic number.

It is an amenable number.

73425621 is a deficient number, since it is larger than the sum of its proper divisors (25022859).

73425621 is a wasteful number, since it uses less digits than its factorization.

73425621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136915.

The product of its digits is 10080, while the sum is 30.

The square root of 73425621 is about 8568.8751303774. The cubic root of 73425621 is about 418.7445902323.

The spelling of 73425621 in words is "seventy-three million, four hundred twenty-five thousand, six hundred twenty-one".