70703381 has 8 divisors (see below), whose sum is σ = 80861760. Its totient is φ = 60559488.

The previous prime is 70703377. The next prime is 70703383. The reversal of 70703381 is 18330707.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70703381 - 2² = 70703377 is a prime.

It is a super-2 number, since 2×70703381² = 9997936169662322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70703383) 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, 10550 + ... + 15896.

It is an arithmetic number, because the mean of its divisors is an integer number (10107720).

Almost surely, 2^70703381 is an apocalyptic number.

It is an amenable number.

70703381 is a deficient number, since it is larger than the sum of its proper divisors (10158379).

70703381 is a wasteful number, since it uses less digits than its factorization.

70703381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7243.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 70703381 is about 8408.5302520714. The cubic root of 70703381 is about 413.5043291078.

The spelling of 70703381 in words is "seventy million, seven hundred three thousand, three hundred eighty-one".