70578120 has 32 divisors (see below), whose sum is σ = 211734720. Its totient is φ = 18820800.

The previous prime is 70578077. The next prime is 70578121. The reversal of 70578120 is 2187507.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (70578121) 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, 293956 + ... + 294195.

It is an arithmetic number, because the mean of its divisors is an integer number (6616710).

Almost surely, 2^70578120 is an apocalyptic number.

It is an amenable number.

70578120 is an abundant number, since it is smaller than the sum of its proper divisors (141156600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70578120 is a wasteful number, since it uses less digits than its factorization.

70578120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588165 (or 588161 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 70578120 is about 8401.0785021924. The cubic root of 70578120 is about 413.2599910335.

The spelling of 70578120 in words is "seventy million, five hundred seventy-eight thousand, one hundred twenty".