73649073 has 8 divisors (see below), whose sum is σ = 103367200. Its totient is φ = 46515168.

The previous prime is 73649071. The next prime is 73649077. The reversal of 73649073 is 37094637.

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

It is not a de Polignac number, because 73649073 - 2¹ = 73649071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73649071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645988 + ... + 646101.

It is an arithmetic number, because the mean of its divisors is an integer number (12920900).

Almost surely, 2^73649073 is an apocalyptic number.

It is an amenable number.

73649073 is a deficient number, since it is larger than the sum of its proper divisors (29718127).

73649073 is a wasteful number, since it uses less digits than its factorization.

73649073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292111.

The product of its (nonzero) digits is 95256, while the sum is 39.

The square root of 73649073 is about 8581.9038097616. The cubic root of 73649073 is about 419.1689405568.

The spelling of 73649073 in words is "seventy-three million, six hundred forty-nine thousand, seventy-three".