7925340 has 48 divisors (see below), whose sum is σ = 23159808. Its totient is φ = 2021184.

The previous prime is 7925339. The next prime is 7925347. The reversal of 7925340 is 435297.

It is a super-2 number, since 2×7925340² = 125622028231200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 7925298 and 7925307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7925347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1492 + ... + 4251.

It is an arithmetic number, because the mean of its divisors is an integer number (482496).

Almost surely, 2^7925340 is an apocalyptic number.

It is an amenable number.

7925340 is an abundant number, since it is smaller than the sum of its proper divisors (15234468).

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

7925340 is a wasteful number, since it uses less digits than its factorization.

7925340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5778 (or 5776 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 7925340 is about 2815.1980392150. The cubic root of 7925340 is about 199.3758877789.

The spelling of 7925340 in words is "seven million, nine hundred twenty-five thousand, three hundred forty".