70472406 has 32 divisors (see below), whose sum is σ = 149178240. Its totient is φ = 22132224.

The previous prime is 70472359. The next prime is 70472417. The reversal of 70472406 is 60427407.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20401 + ... + 23603.

It is an arithmetic number, because the mean of its divisors is an integer number (4661820).

Almost surely, 2^70472406 is an apocalyptic number.

70472406 is an abundant number, since it is smaller than the sum of its proper divisors (78705834).

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

70472406 is a wasteful number, since it uses less digits than its factorization.

70472406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3420.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 70472406 is about 8394.7844522656. The cubic root of 70472406 is about 413.0535569104.

It can be divided in two parts, 7047 and 2406, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 70472406 in words is "seventy million, four hundred seventy-two thousand, four hundred six".