73872723 has 8 divisors (see below), whose sum is σ = 98560000. Its totient is φ = 49216968.

The previous prime is 73872719. The next prime is 73872727. The reversal of 73872723 is 32727837.

It is an interprime number because it is at equal distance from previous prime (73872719) and next prime (73872727).

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

It is not a de Polignac number, because 73872723 - 2² = 73872719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73872727) 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, 1723 + ... + 12276.

It is an arithmetic number, because the mean of its divisors is an integer number (12320000).

Almost surely, 2^73872723 is an apocalyptic number.

73872723 is a deficient number, since it is larger than the sum of its proper divisors (24687277).

73872723 is a wasteful number, since it uses less digits than its factorization.

73872723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15761.

The product of its digits is 98784, while the sum is 39.

The square root of 73872723 is about 8594.9242579560. The cubic root of 73872723 is about 419.5928083014.

The spelling of 73872723 in words is "seventy-three million, eight hundred seventy-two thousand, seven hundred twenty-three".