70067073739 has 32 divisors (see below), whose sum is σ = 79669497600. Its totient is φ = 61166206080.

The previous prime is 70067073667. The next prime is 70067073761. The reversal of 70067073739 is 93737076007.

It is a happy number.

It is not a de Polignac number, because 70067073739 - 2³¹ = 67919590091 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70067073692 and 70067073701.

It is not an unprimeable number, because it can be changed into a prime (70067077739) 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, 6289204 + ... + 6300334.

It is an arithmetic number, because the mean of its divisors is an integer number (2489671800).

Almost surely, 2^70067073739 is an apocalyptic number.

70067073739 is a deficient number, since it is larger than the sum of its proper divisors (9602423861).

70067073739 is a wasteful number, since it uses less digits than its factorization.

70067073739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11515.

The product of its (nonzero) digits is 1166886, while the sum is 49.

The spelling of 70067073739 in words is "seventy billion, sixty-seven million, seventy-three thousand, seven hundred thirty-nine".