70240589 has 4 divisors (see below), whose sum is σ = 71289024. Its totient is φ = 69192156.

The previous prime is 70240579. The next prime is 70240591. The reversal of 70240589 is 98504207.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70240589 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 (70240579) 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, 524117 + ... + 524250.

It is an arithmetic number, because the mean of its divisors is an integer number (17822256).

Almost surely, 2^70240589 is an apocalyptic number.

It is an amenable number.

70240589 is a deficient number, since it is larger than the sum of its proper divisors (1048435).

70240589 is a wasteful number, since it uses less digits than its factorization.

70240589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048434.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 70240589 is about 8380.9658751244. The cubic root of 70240589 is about 412.6001500324.

The spelling of 70240589 in words is "seventy million, two hundred forty thousand, five hundred eighty-nine".