72373711 has 4 divisors (see below), whose sum is σ = 73037800. Its totient is φ = 71709624.

The previous prime is 72373699. The next prime is 72373723. The reversal of 72373711 is 11737327.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (72373699) and next prime (72373723).

It is a cyclic number.

It is not a de Polignac number, because 72373711 - 2¹⁹ = 71849423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72373751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331881 + ... + 332098.

It is an arithmetic number, because the mean of its divisors is an integer number (18259450).

Almost surely, 2^72373711 is an apocalyptic number.

72373711 is a deficient number, since it is larger than the sum of its proper divisors (664089).

72373711 is a wasteful number, since it uses less digits than its factorization.

72373711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664088.

The product of its digits is 6174, while the sum is 31.

The square root of 72373711 is about 8507.2740052264. The cubic root of 72373711 is about 416.7352915946.

The spelling of 72373711 in words is "seventy-two million, three hundred seventy-three thousand, seven hundred eleven".