740420541 has 64 divisors (see below), whose sum is σ = 1279590400. Its totient is φ = 414445248.

The previous prime is 740420539. The next prime is 740420573. The reversal of 740420541 is 145024047.

It is not a de Polignac number, because 740420541 - 2¹ = 740420539 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740420591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2616186 + ... + 2616468.

It is an arithmetic number, because the mean of its divisors is an integer number (19993600).

Almost surely, 2^740420541 is an apocalyptic number.

It is an amenable number.

740420541 is a deficient number, since it is larger than the sum of its proper divisors (539169859).

740420541 is a wasteful number, since it uses less digits than its factorization.

740420541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 740420541 is about 27210.6696168984. The cubic root of 740420541 is about 904.6754800357.

Adding to 740420541 its reverse (145024047), we get a palindrome (885444588).

The spelling of 740420541 in words is "seven hundred forty million, four hundred twenty thousand, five hundred forty-one".