70403420234 has 16 divisors (see below), whose sum is σ = 124853356800. Its totient is φ = 29132449584.

The previous prime is 70403420209. The next prime is 70403420309. The reversal of 70403420234 is 43202430407.

It is a super-2 number, since 2×70403420234² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 70403420197 and 70403420206.

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, 86703314 + ... + 86704125.

It is an arithmetic number, because the mean of its divisors is an integer number (7803334800).

Almost surely, 2^70403420234 is an apocalyptic number.

70403420234 is a deficient number, since it is larger than the sum of its proper divisors (54449936566).

70403420234 is a wasteful number, since it uses less digits than its factorization.

70403420234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173407477.

The product of its (nonzero) digits is 16128, while the sum is 29.

The spelling of 70403420234 in words is "seventy billion, four hundred three million, four hundred twenty thousand, two hundred thirty-four".