70734746018 has 4 divisors (see below), whose sum is σ = 106102119030. Its totient is φ = 35367373008.

The previous prime is 70734745937. The next prime is 70734746099. The reversal of 70734746018 is 81064743707.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81064743707 = 47 ⋅1724781781.

It is an interprime number because it is at equal distance from previous prime (70734745937) and next prime (70734746099).

It can be written as a sum of positive squares in only one way, i.e., 47675412409 + 23059333609 = 218347^2 + 151853^2 .

It is a super-3 number, since 3×70734746018³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17683686503 + ... + 17683686506.

Almost surely, 2^70734746018 is an apocalyptic number.

70734746018 is a deficient number, since it is larger than the sum of its proper divisors (35367373012).

70734746018 is a wasteful number, since it uses less digits than its factorization.

70734746018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35367373011.

The product of its (nonzero) digits is 790272, while the sum is 47.

The spelling of 70734746018 in words is "seventy billion, seven hundred thirty-four million, seven hundred forty-six thousand, eighteen".