740520143 has 16 divisors (see below), whose sum is σ = 818657280. Its totient is φ = 664238400.

The previous prime is 740520101. The next prime is 740520161. The reversal of 740520143 is 341025047.

740520143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 740520143 - 2¹⁴ = 740503759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740520163) 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, 329618 + ... + 331856.

It is an arithmetic number, because the mean of its divisors is an integer number (51166080).

Almost surely, 2^740520143 is an apocalyptic number.

740520143 is a deficient number, since it is larger than the sum of its proper divisors (78137137).

740520143 is a wasteful number, since it uses less digits than its factorization.

740520143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 740520143 is about 27212.4997565457. The cubic root of 740520143 is about 904.7160441215.

The spelling of 740520143 in words is "seven hundred forty million, five hundred twenty thousand, one hundred forty-three".