7825380 has 24 divisors (see below), whose sum is σ = 21911232. Its totient is φ = 2086752.

The previous prime is 7825373. The next prime is 7825403. The reversal of 7825380 is 835287.

It is a super-2 number, since 2×7825380² = 122473144288800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65152 + ... + 65271.

It is an arithmetic number, because the mean of its divisors is an integer number (912968).

Almost surely, 2^7825380 is an apocalyptic number.

It is an amenable number.

7825380 is an abundant number, since it is smaller than the sum of its proper divisors (14085852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7825380 is a wasteful number, since it uses less digits than its factorization.

7825380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130435 (or 130433 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 7825380 is about 2797.3880674658. The cubic root of 7825380 is about 198.5341154958.

Adding to 7825380 its product of nonzero digits (13440), we get a triangular number (7838820 = T₃₉₅₉).

The spelling of 7825380 in words is "seven million, eight hundred twenty-five thousand, three hundred eighty".