70425578 has 8 divisors (see below), whose sum is σ = 108493572. Its totient is φ = 34261056.

The previous prime is 70425569. The next prime is 70425613. The reversal of 70425578 is 87552407.

It can be written as a sum of positive squares in 2 ways, for example, as 69939769 + 485809 = 8363^2 + 697^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 475775 + ... + 475922.

Almost surely, 2^70425578 is an apocalyptic number.

70425578 is a deficient number, since it is larger than the sum of its proper divisors (38067994).

70425578 is a wasteful number, since it uses less digits than its factorization.

70425578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951736.

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 70425578 is about 8391.9948760709. The cubic root of 70425578 is about 412.9620470609.

The spelling of 70425578 in words is "seventy million, four hundred twenty-five thousand, five hundred seventy-eight".