70736771041 has 4 divisors (see below), whose sum is σ = 72381812272. Its totient is φ = 69091729812.

The previous prime is 70736771033. The next prime is 70736771143. The reversal of 70736771041 is 14017763707.

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 70736771041 - 2³ = 70736771033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 1645041187 = 70736771041 / (7 + 0 + 7 + 3 + 6 + 7 + 7 + 1 + 0 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70736778041) 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, 822520551 + ... + 822520636.

It is an arithmetic number, because the mean of its divisors is an integer number (18095453068).

Almost surely, 2^70736771041 is an apocalyptic number.

It is an amenable number.

70736771041 is a deficient number, since it is larger than the sum of its proper divisors (1645041231).

70736771041 is a wasteful number, since it uses less digits than its factorization.

70736771041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645041230.

The product of its (nonzero) digits is 172872, while the sum is 43.

The spelling of 70736771041 in words is "seventy billion, seven hundred thirty-six million, seven hundred seventy-one thousand, forty-one".