70513761073 has 4 divisors (see below), whose sum is σ = 80587155520. Its totient is φ = 60440366628.

The previous prime is 70513761011. The next prime is 70513761079. The reversal of 70513761073 is 37016731507.

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 not a de Polignac number, because 70513761073 - 2⁹ = 70513760561 is a prime.

It is a super-2 number, since 2×70513761073² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70513761079) 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, 5036697213 + ... + 5036697226.

It is an arithmetic number, because the mean of its divisors is an integer number (20146788880).

Almost surely, 2^70513761073 is an apocalyptic number.

It is an amenable number.

70513761073 is a deficient number, since it is larger than the sum of its proper divisors (10073394447).

70513761073 is a wasteful number, since it uses less digits than its factorization.

70513761073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10073394446.

The product of its (nonzero) digits is 92610, while the sum is 40.

The spelling of 70513761073 in words is "seventy billion, five hundred thirteen million, seven hundred sixty-one thousand, seventy-three".