70349740 has 24 divisors (see below), whose sum is σ = 156425472. Its totient is φ = 26484480.

The previous prime is 70349731. The next prime is 70349743. The reversal of 70349740 is 4794307.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 70349696 and 70349705.

It is not an unprimeable number, because it can be changed into a prime (70349743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103116 + ... + 103795.

It is an arithmetic number, because the mean of its divisors is an integer number (6517728).

Almost surely, 2^70349740 is an apocalyptic number.

It is an amenable number.

70349740 is an abundant number, since it is smaller than the sum of its proper divisors (86075732).

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

70349740 is a wasteful number, since it uses less digits than its factorization.

70349740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206937 (or 206935 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 70349740 is about 8387.4751862524. The cubic root of 70349740 is about 412.8137606709.

The spelling of 70349740 in words is "seventy million, three hundred forty-nine thousand, seven hundred forty".