740289471 has 4 divisors (see below), whose sum is σ = 987052632. Its totient is φ = 493526312.

The previous prime is 740289437. The next prime is 740289551. The reversal of 740289471 is 174982047.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 740289471 - 2¹³ = 740281279 is a prime.

It is a super-3 number, since 3×740289471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740289371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123381576 + ... + 123381581.

It is an arithmetic number, because the mean of its divisors is an integer number (246763158).

Almost surely, 2^740289471 is an apocalyptic number.

740289471 is a deficient number, since it is larger than the sum of its proper divisors (246763161).

740289471 is a wasteful number, since it uses less digits than its factorization.

740289471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246763160.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 740289471 is about 27208.2610800470. The cubic root of 740289471 is about 904.6220946932.

The spelling of 740289471 in words is "seven hundred forty million, two hundred eighty-nine thousand, four hundred seventy-one".