1240070073 has 32 divisors (see below), whose sum is σ = 1881532800. Its totient is φ = 725574080.

The previous prime is 1240070071. The next prime is 1240070087. The reversal of 1240070073 is 3700700421.

It is not a de Polignac number, because 1240070073 - 2¹ = 1240070071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1240070071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110443 + ... + 121151.

It is an arithmetic number, because the mean of its divisors is an integer number (58797900).

Almost surely, 2^1240070073 is an apocalyptic number.

It is an amenable number.

1240070073 is a deficient number, since it is larger than the sum of its proper divisors (641462727).

1240070073 is a wasteful number, since it uses less digits than its factorization.

1240070073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10774 (or 10752 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 1240070073 is about 35214.6286790021. The cubic root of 1240070073 is about 1074.3573077103.

Adding to 1240070073 its reverse (3700700421), we get a palindrome (4940770494).

The spelling of 1240070073 in words is "one billion, two hundred forty million, seventy thousand, seventy-three".