7840973 has 8 divisors (see below), whose sum is σ = 8994048. Its totient is φ = 6696144.

The previous prime is 7840969. The next prime is 7840981. The reversal of 7840973 is 3790487.

7840973 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 7840973 - 2² = 7840969 is a prime.

It is a super-2 number, since 2×7840973² = 122961715173458, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7840913) 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, 140 + ... + 3962.

It is an arithmetic number, because the mean of its divisors is an integer number (1124256).

Almost surely, 2^7840973 is an apocalyptic number.

It is an amenable number.

7840973 is a deficient number, since it is larger than the sum of its proper divisors (1153075).

7840973 is a wasteful number, since it uses less digits than its factorization.

7840973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4123.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 7840973 is about 2800.1737446094. The cubic root of 7840973 is about 198.6658956148.

The spelling of 7840973 in words is "seven million, eight hundred forty thousand, nine hundred seventy-three".