740425 has 12 divisors (see below), whose sum is σ = 1049536. Its totient is φ = 507600.

The previous prime is 740423. The next prime is 740429. The reversal of 740425 is 524047.

It is not a de Polignac number, because 740425 - 2¹ = 740423 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

740425 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 740396 and 740405.

It is not an unprimeable number, because it can be changed into a prime (740423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1941 + ... + 2290.

2⁷⁴⁰⁴²⁵ is an apocalyptic number.

It is an amenable number.

740425 is a deficient number, since it is larger than the sum of its proper divisors (309111).

740425 is a wasteful number, since it uses less digits than its factorization.

740425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4248 (or 4243 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 740425 is about 860.4795174785. The cubic root of 740425 is about 90.4677296094.

It can be divided in two parts, 74042 and 5, that added together give a palindrome (74047).

The spelling of 740425 in words is "seven hundred forty thousand, four hundred twenty-five".