70000740 has 48 divisors (see below), whose sum is σ = 217781760. Its totient is φ = 18666720.

The previous prime is 70000739. The next prime is 70000771. The reversal of 70000740 is 4700007.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64276 + ... + 65355.

It is an arithmetic number, because the mean of its divisors is an integer number (4537120).

Almost surely, 2^70000740 is an apocalyptic number.

It is an amenable number.

70000740 is an abundant number, since it is smaller than the sum of its proper divisors (147781020).

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

70000740 is a wasteful number, since it uses less digits than its factorization.

70000740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129649 (or 129641 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 18.

The square root of 70000740 is about 8366.6444886824. The cubic root of 70000740 is about 412.1299822382.

Adding to 70000740 its reverse (4700007), we get a palindrome (74700747).

The spelling of 70000740 in words is "seventy million, seven hundred forty", and thus it is an aban number.