70420535 has 16 divisors (see below), whose sum is σ = 86259360. Its totient is φ = 55175040.

The previous prime is 70420513. The next prime is 70420543. The reversal of 70420535 is 53502407.

It is not a de Polignac number, because 70420535 - 2¹⁸ = 70158391 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 113456 + ... + 114074.

It is an arithmetic number, because the mean of its divisors is an integer number (5391210).

Almost surely, 2^70420535 is an apocalyptic number.

70420535 is a deficient number, since it is larger than the sum of its proper divisors (15838825).

70420535 is a wasteful number, since it uses less digits than its factorization.

70420535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 70420535 is about 8391.6944057800. The cubic root of 70420535 is about 412.9521897648.

The spelling of 70420535 in words is "seventy million, four hundred twenty thousand, five hundred thirty-five".