70486380 has 72 divisors (see below), whose sum is σ = 219046464. Its totient is φ = 18336000.

The previous prime is 70486379. The next prime is 70486393. The reversal of 70486380 is 8368407.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2605 + ... + 12155.

It is an arithmetic number, because the mean of its divisors is an integer number (3042312).

Almost surely, 2^70486380 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 70486380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109523232).

70486380 is an abundant number, since it is smaller than the sum of its proper divisors (148560084).

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

70486380 is a wasteful number, since it uses less digits than its factorization.

70486380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9607 (or 9602 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 70486380 is about 8395.6167135000. The cubic root of 70486380 is about 413.0808566214.

The spelling of 70486380 in words is "seventy million, four hundred eighty-six thousand, three hundred eighty".