70620426 has 12 divisors (see below), whose sum is σ = 153010962. Its totient is φ = 23540136.

The previous prime is 70620421. The next prime is 70620427. The reversal of 70620426 is 62402607.

It can be written as a sum of positive squares in only one way, i.e., 53802225 + 16818201 = 7335^2 + 4101^2 .

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 70620426.

It is not an unprimeable number, because it can be changed into a prime (70620421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1961661 + ... + 1961696.

Almost surely, 2^70620426 is an apocalyptic number.

70620426 is an abundant number, since it is smaller than the sum of its proper divisors (82390536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70620426 is a wasteful number, since it uses less digits than its factorization.

70620426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3923365 (or 3923362 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 70620426 is about 8403.5960159922. The cubic root of 70620426 is about 413.3425467654.

The spelling of 70620426 in words is "seventy million, six hundred twenty thousand, four hundred twenty-six".