70240745 has 8 divisors (see below), whose sum is σ = 84352320. Its totient is φ = 56150320.

The previous prime is 70240721. The next prime is 70240757. The reversal of 70240745 is 54704207.

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

It is not a de Polignac number, because 70240745 - 2²² = 66046441 is a prime.

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, 3290 + ... + 12300.

It is an arithmetic number, because the mean of its divisors is an integer number (10544040).

Almost surely, 2^70240745 is an apocalyptic number.

It is an amenable number.

70240745 is a deficient number, since it is larger than the sum of its proper divisors (14111575).

70240745 is a wasteful number, since it uses less digits than its factorization.

70240745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10575.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 70240745 is about 8380.9751819224. The cubic root of 70240745 is about 412.6004554853.

The spelling of 70240745 in words is "seventy million, two hundred forty thousand, seven hundred forty-five".