70391426 has 8 divisors (see below), whose sum is σ = 120671040. Its totient is φ = 30167748.

The previous prime is 70391417. The next prime is 70391471. The reversal of 70391426 is 62419307.

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

It is a junction number, because it is equal to n+sod(n) for n = 70391392 and 70391401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2513966 + ... + 2513993.

It is an arithmetic number, because the mean of its divisors is an integer number (15083880).

Almost surely, 2^70391426 is an apocalyptic number.

70391426 is a deficient number, since it is larger than the sum of its proper divisors (50279614).

70391426 is a wasteful number, since it uses less digits than its factorization.

70391426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027968.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 70391426 is about 8389.9598330385. The cubic root of 70391426 is about 412.8952826806.

It can be divided in two parts, 703 and 91426, that added together give a palindrome (92129).

The spelling of 70391426 in words is "seventy million, three hundred ninety-one thousand, four hundred twenty-six".