7973642 has 8 divisors (see below), whose sum is σ = 12076896. Its totient is φ = 3948012.

The previous prime is 7973627. The next prime is 7973653. The reversal of 7973642 is 2463797.

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

It is an Ulam number.

It is a d-powerful number, because it can be written as 7² + 9 + 7⁷ + 3¹⁴ + 6⁵ + 4⁹ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 7973596 and 7973605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19148 + ... + 19559.

It is an arithmetic number, because the mean of its divisors is an integer number (1509612).

Almost surely, 2^7973642 is an apocalyptic number.

7973642 is a deficient number, since it is larger than the sum of its proper divisors (4103254).

7973642 is a wasteful number, since it uses less digits than its factorization.

7973642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38812.

The product of its digits is 63504, while the sum is 38.

The square root of 7973642 is about 2823.7638003204. The cubic root of 7973642 is about 199.7801083269.

The spelling of 7973642 in words is "seven million, nine hundred seventy-three thousand, six hundred forty-two".