7642797 has 4 divisors (see below), whose sum is σ = 10190400. Its totient is φ = 5095196.

The previous prime is 7642787. The next prime is 7642813. The reversal of 7642797 is 7972467.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7642797 - 2⁴ = 7642781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7642787) 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, 1273797 + ... + 1273802.

It is an arithmetic number, because the mean of its divisors is an integer number (2547600).

Almost surely, 2^7642797 is an apocalyptic number.

It is an amenable number.

7642797 is a deficient number, since it is larger than the sum of its proper divisors (2547603).

7642797 is a wasteful number, since it uses less digits than its factorization.

7642797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2547602.

The product of its digits is 148176, while the sum is 42.

The square root of 7642797 is about 2764.5609054604. The cubic root of 7642797 is about 196.9778720626.

The spelling of 7642797 in words is "seven million, six hundred forty-two thousand, seven hundred ninety-seven".