73455641 has 16 divisors (see below), whose sum is σ = 86475648. Its totient is φ = 61084800.

The previous prime is 73455631. The next prime is 73455661. The reversal of 73455641 is 14655437.

It is not a de Polignac number, because 73455641 - 2¹⁴ = 73439257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73455601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59951 + ... + 61163.

It is an arithmetic number, because the mean of its divisors is an integer number (5404728).

Almost surely, 2^73455641 is an apocalyptic number.

It is an amenable number.

73455641 is a deficient number, since it is larger than the sum of its proper divisors (13020007).

73455641 is a wasteful number, since it uses less digits than its factorization.

73455641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472.

The product of its digits is 50400, while the sum is 35.

The square root of 73455641 is about 8570.6266398671. The cubic root of 73455641 is about 418.8016502415.

The spelling of 73455641 in words is "seventy-three million, four hundred fifty-five thousand, six hundred forty-one".