740047 has 12 divisors (see below), whose sum is σ = 939816. Its totient is φ = 576240.

The previous prime is 740041. The next prime is 740053.

It is a happy number.

740047 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (740041) and next prime (740053).

It is not a de Polignac number, because 740047 - 2¹¹ = 737999 is a prime.

It is a Duffinian number.

740047 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740041) 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, 148 + ... + 1225.

It is an arithmetic number, because the mean of its divisors is an integer number (78318).

2⁷⁴⁰⁰⁴⁷ is an apocalyptic number.

740047 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

740047 is a deficient number, since it is larger than the sum of its proper divisors (199769).

740047 is a wasteful number, since it uses less digits than its factorization.

740047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398 (or 1391 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 740047 is about 860.2598444656. The cubic root of 740047 is about 90.4523318658.

It can be divided in two parts, 7400 and 47, that added together give a palindrome (7447).

The spelling of 740047 in words is "seven hundred forty thousand, forty-seven", and thus it is an iban number.