7780413 has 8 divisors (see below), whose sum is σ = 10516288. Its totient is φ = 5115744.

The previous prime is 7780403. The next prime is 7780429. The reversal of 7780413 is 3140877.

It is a happy number.

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

It is not a de Polignac number, because 7780413 - 2¹⁰ = 7779389 is a prime.

It is a Duffinian 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 (7780403) 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, 17545 + ... + 17982.

It is an arithmetic number, because the mean of its divisors is an integer number (1314536).

Almost surely, 2^7780413 is an apocalyptic number.

7780413 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

7780413 is a deficient number, since it is larger than the sum of its proper divisors (2735875).

7780413 is a wasteful number, since it uses less digits than its factorization.

7780413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35603.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 7780413 is about 2789.3391690506. The cubic root of 7780413 is about 198.1531057395.

The spelling of 7780413 in words is "seven million, seven hundred eighty thousand, four hundred thirteen".