70000425787 has 4 divisors (see below), whose sum is σ = 70001517600. Its totient is φ = 69999333976.

The previous prime is 70000425713. The next prime is 70000425791. The reversal of 70000425787 is 78752400007.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70000425787 - 2⁷ = 70000425659 is a prime.

It is a super-2 number, since 2×70000425787² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70000435787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443308 + ... + 580105.

It is an arithmetic number, because the mean of its divisors is an integer number (17500379400).

Almost surely, 2^70000425787 is an apocalyptic number.

70000425787 is a deficient number, since it is larger than the sum of its proper divisors (1091813).

70000425787 is a wasteful number, since it uses less digits than its factorization.

70000425787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091812.

The product of its (nonzero) digits is 109760, while the sum is 40.

The spelling of 70000425787 in words is "seventy billion, four hundred twenty-five thousand, seven hundred eighty-seven".