740025 has 72 divisors (see below), whose sum is σ = 1624896. Its totient is φ = 316800.

The previous prime is 740023. The next prime is 740041. The reversal of 740025 is 520047.

740025 = 9³ + 10³ + ... + 41³.

It is a happy number.

It is not a de Polignac number, because 740025 - 2¹ = 740023 is a prime.

It is an Ulam number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 32164 + ... + 32186.

It is an arithmetic number, because the mean of its divisors is an integer number (22568).

2⁷⁴⁰⁰²⁵ is an apocalyptic number.

740025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

740025 is an abundant number, since it is smaller than the sum of its proper divisors (884871).

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

740025 is a wasteful number, since it uses less digits than its factorization.

740025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 740025 is about 860.2470575364. The cubic root of 740025 is about 90.4514355394.

The spelling of 740025 in words is "seven hundred forty thousand, twenty-five".