7920299 has 8 divisors (see below), whose sum is σ = 8279040. Its totient is φ = 7569576.

The previous prime is 7920287. The next prime is 7920313. The reversal of 7920299 is 9920297.

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

It is a cyclic number.

It is not a de Polignac number, because 7920299 - 2⁸ = 7920043 is a prime.

It is a super-2 number, since 2×7920299² = 125462272498802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7920229) 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, 62 + ... + 3980.

It is an arithmetic number, because the mean of its divisors is an integer number (1034880).

Almost surely, 2^7920299 is an apocalyptic number.

7920299 is a deficient number, since it is larger than the sum of its proper divisors (358741).

7920299 is a wasteful number, since it uses less digits than its factorization.

7920299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4009.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 7920299 is about 2814.3025779045. The cubic root of 7920299 is about 199.3336070684. Note that the first 3 decimals are identical.

The spelling of 7920299 in words is "seven million, nine hundred twenty thousand, two hundred ninety-nine".