70459978 has 8 divisors (see below), whose sum is σ = 105779520. Its totient is φ = 35200140.

The previous prime is 70459933. The next prime is 70459979. The reversal of 70459978 is 87995407.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (70459979) 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, 11848 + ... + 16771.

It is an arithmetic number, because the mean of its divisors is an integer number (13222440).

Almost surely, 2^70459978 is an apocalyptic number.

70459978 is a deficient number, since it is larger than the sum of its proper divisors (35319542).

70459978 is a wasteful number, since it uses less digits than its factorization.

70459978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29852.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 70459978 is about 8394.0441981205. The cubic root of 70459978 is about 413.0292744445.

The spelling of 70459978 in words is "seventy million, four hundred fifty-nine thousand, nine hundred seventy-eight".