70240263 has 8 divisors (see below), whose sum is σ = 93692400. Its totient is φ = 46807488.

The previous prime is 70240259. The next prime is 70240297. The reversal of 70240263 is 36204207.

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

It is not a de Polignac number, because 70240263 - 2² = 70240259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70240253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11923 + ... + 16811.

It is an arithmetic number, because the mean of its divisors is an integer number (11711550).

Almost surely, 2^70240263 is an apocalyptic number.

70240263 is a deficient number, since it is larger than the sum of its proper divisors (23452137).

70240263 is a wasteful number, since it uses less digits than its factorization.

70240263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9681.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 70240263 is about 8380.9464262695. The cubic root of 70240263 is about 412.5995117127.

The spelling of 70240263 in words is "seventy million, two hundred forty thousand, two hundred sixty-three".