740898487 has 4 divisors (see below), whose sum is σ = 846741136. Its totient is φ = 635055840.

The previous prime is 740898469. The next prime is 740898503. The reversal of 740898487 is 784898047.

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 740898487 - 2¹¹ = 740896439 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 (740898887) 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, 52921314 + ... + 52921327.

It is an arithmetic number, because the mean of its divisors is an integer number (211685284).

Almost surely, 2^740898487 is an apocalyptic number.

740898487 is a deficient number, since it is larger than the sum of its proper divisors (105842649).

740898487 is a wasteful number, since it uses less digits than its factorization.

740898487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105842648.

The product of its (nonzero) digits is 3612672, while the sum is 55.

The square root of 740898487 is about 27219.4505271506. The cubic root of 740898487 is about 904.8700960233.

The spelling of 740898487 in words is "seven hundred forty million, eight hundred ninety-eight thousand, four hundred eighty-seven".