7872373 has 4 divisors (see below), whose sum is σ = 7890988. Its totient is φ = 7853760.

The previous prime is 7872367. The next prime is 7872391. The reversal of 7872373 is 3732787.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4401604 + 3470769 = 2098^2 + 1863^2 .

It is a cyclic number.

It is not a de Polignac number, because 7872373 - 2⁵ = 7872341 is a prime.

It is a super-2 number, since 2×7872373² = 123948513302258, which contains 22 as substring.

It is a d-powerful number, because it can be written as 7 + 8⁷ + 7 + 2¹³ + 3³ + 7⁸ + 3⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7872313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8658 + ... + 9523.

It is an arithmetic number, because the mean of its divisors is an integer number (1972747).

Almost surely, 2^7872373 is an apocalyptic number.

It is an amenable number.

7872373 is a deficient number, since it is larger than the sum of its proper divisors (18615).

7872373 is a wasteful number, since it uses less digits than its factorization.

7872373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18614.

The product of its digits is 49392, while the sum is 37.

The square root of 7872373 is about 2805.7749375173. The cubic root of 7872373 is about 198.9307352185.

It can be divided in two parts, 787 and 2373, that added together give a triangular number (3160 = T₇₉).

The spelling of 7872373 in words is "seven million, eight hundred seventy-two thousand, three hundred seventy-three".