70076775072557 has 4 divisors (see below), whose sum is σ = 76447390988256. Its totient is φ = 63706159156860.

The previous prime is 70076775072539. The next prime is 70076775072581. The reversal of 70076775072557 is 75527057767007.

It is a happy number.

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 not a de Polignac number, because 70076775072557 - 2¹⁴ = 70076775056173 is a prime.

It is a super-2 number, since 2×70076775072557² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70076775072493 and 70076775072502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70076775072587) 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, 3185307957833 + ... + 3185307957854.

It is an arithmetic number, because the mean of its divisors is an integer number (19111847747064).

Almost surely, 2^{70076775072557} is an apocalyptic number.

It is an amenable number.

70076775072557 is a deficient number, since it is larger than the sum of its proper divisors (6370615915699).

70076775072557 is a wasteful number, since it uses less digits than its factorization.

70076775072557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6370615915698.

The product of its (nonzero) digits is 176473500, while the sum is 65.

The spelling of 70076775072557 in words is "seventy trillion, seventy-six billion, seven hundred seventy-five million, seventy-two thousand, five hundred fifty-seven".