70412578 has 8 divisors (see below), whose sum is σ = 107195472. Its totient is φ = 34680756.

The previous prime is 70412561. The next prime is 70412579. The reversal of 70412578 is 87521407.

It is a happy number.

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

It is a super-2 number, since 2×70412578² = 9915862281212168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70412579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262600 + ... + 262867.

It is an arithmetic number, because the mean of its divisors is an integer number (13399434).

Almost surely, 2^70412578 is an apocalyptic number.

70412578 is a deficient number, since it is larger than the sum of its proper divisors (36782894).

70412578 is a wasteful number, since it uses less digits than its factorization.

70412578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525536.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 70412578 is about 8391.2202926630. The cubic root of 70412578 is about 412.9366356638.

The spelling of 70412578 in words is "seventy million, four hundred twelve thousand, five hundred seventy-eight".