70486020 has 144 divisors (see below), whose sum is σ = 236291328. Its totient is φ = 16865280.

The previous prime is 70486001. The next prime is 70486069. The reversal of 70486020 is 2068407.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 191877 + ... + 192243.

It is an arithmetic number, because the mean of its divisors is an integer number (1640912).

Almost surely, 2^70486020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70486020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118145664).

70486020 is an abundant number, since it is smaller than the sum of its proper divisors (165805308).

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

70486020 is a wasteful number, since it uses less digits than its factorization.

70486020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 70486020 is about 8395.5952737135. The cubic root of 70486020 is about 413.0801533679.

The spelling of 70486020 in words is "seventy million, four hundred eighty-six thousand, twenty".