70744515007 has 4 divisors (see below), whose sum is σ = 70773124240. Its totient is φ = 70715905776.

The previous prime is 70744514993. The next prime is 70744515011. The reversal of 70744515007 is 70051544707.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70051544707 = 49531 ⋅1414297.

It is a cyclic number.

It is not a de Polignac number, because 70744515007 - 2³¹ = 68597031359 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 (70744515067) 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, 14300907 + ... + 14305852.

It is an arithmetic number, because the mean of its divisors is an integer number (17693281060).

Almost surely, 2^70744515007 is an apocalyptic number.

70744515007 is a deficient number, since it is larger than the sum of its proper divisors (28609233).

70744515007 is a wasteful number, since it uses less digits than its factorization.

70744515007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28609232.

The product of its (nonzero) digits is 137200, while the sum is 40.

The spelling of 70744515007 in words is "seventy billion, seven hundred forty-four million, five hundred fifteen thousand, seven".