70146380 has 24 divisors (see below), whose sum is σ = 147718032. Its totient is φ = 27980352.

The previous prime is 70146379. The next prime is 70146407. The reversal of 70146380 is 8364107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2759 + ... + 12161.

It is an arithmetic number, because the mean of its divisors is an integer number (6154918).

Almost surely, 2^70146380 is an apocalyptic number.

It is an amenable number.

70146380 is an abundant number, since it is smaller than the sum of its proper divisors (77571652).

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

70146380 is a wasteful number, since it uses less digits than its factorization.

70146380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9785 (or 9783 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 70146380 is about 8375.3435750422. The cubic root of 70146380 is about 412.4156031806.

The spelling of 70146380 in words is "seventy million, one hundred forty-six thousand, three hundred eighty".