7432425 has 144 divisors (see below), whose sum is σ = 18471040. Its totient is φ = 2851200.

The previous prime is 7432409. The next prime is 7432457. The reversal of 7432425 is 5242347.

It is not a de Polignac number, because 7432425 - 2⁴ = 7432409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 7⁸ + 4⁶ + 3¹³ + 2⁵ + 4⁸ + 2⁹ + 5⁵ .

7432425 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 571719 + ... + 571731.

Almost surely, 2^7432425 is an apocalyptic number.

7432425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7432425 is an abundant number, since it is smaller than the sum of its proper divisors (11038615).

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

7432425 is a wasteful number, since it uses less digits than its factorization.

7432425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 39 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 7432425 is about 2726.2474209066. The cubic root of 7432425 is about 195.1537249356.

The spelling of 7432425 in words is "seven million, four hundred thirty-two thousand, four hundred twenty-five".