70247841 has 4 divisors (see below), whose sum is σ = 93663792. Its totient is φ = 46831892.

The previous prime is 70247813. The next prime is 70247857. The reversal of 70247841 is 14874207.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70247841 - 2⁵ = 70247809 is a prime.

It is a super-2 number, since 2×70247841² = 9869518330322562, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70247041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11707971 + ... + 11707976.

It is an arithmetic number, because the mean of its divisors is an integer number (23415948).

Almost surely, 2^70247841 is an apocalyptic number.

It is an amenable number.

70247841 is a deficient number, since it is larger than the sum of its proper divisors (23415951).

70247841 is a wasteful number, since it uses less digits than its factorization.

70247841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23415950.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 70247841 is about 8381.3985109885. The cubic root of 70247841 is about 412.6143491982.

The spelling of 70247841 in words is "seventy million, two hundred forty-seven thousand, eight hundred forty-one".