70425787 has 8 divisors (see below), whose sum is σ = 73598976. Its totient is φ = 67322472.

The previous prime is 70425779. The next prime is 70425791. The reversal of 70425787 is 78752407.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70425787 - 2³ = 70425779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70425767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15403 + ... + 19444.

It is an arithmetic number, because the mean of its divisors is an integer number (9199872).

Almost surely, 2^70425787 is an apocalyptic number.

70425787 is a deficient number, since it is larger than the sum of its proper divisors (3173189).

70425787 is a wasteful number, since it uses less digits than its factorization.

70425787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34937.

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

The square root of 70425787 is about 8392.0073284048. The cubic root of 70425787 is about 412.9624555724.

The spelling of 70425787 in words is "seventy million, four hundred twenty-five thousand, seven hundred eighty-seven".