70236471678 has 16 divisors (see below), whose sum is σ = 140476385280. Its totient is φ = 23411583576.

The previous prime is 70236471667. The next prime is 70236471719. The reversal of 70236471678 is 87617463207.

It is a happy number.

It is a super-2 number, since 2×70236471678² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70236471678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176901 + ... + 414447.

It is an arithmetic number, because the mean of its divisors is an integer number (8779774080).

Almost surely, 2^70236471678 is an apocalyptic number.

70236471678 is an abundant number, since it is smaller than the sum of its proper divisors (70239913602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70236471678 is a wasteful number, since it uses less digits than its factorization.

70236471678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286831.

The product of its (nonzero) digits is 2370816, while the sum is 51.

The spelling of 70236471678 in words is "seventy billion, two hundred thirty-six million, four hundred seventy-one thousand, six hundred seventy-eight".