70472436 has 36 divisors (see below), whose sum is σ = 170325792. Its totient is φ = 22677536.

The previous prime is 70472419. The next prime is 70472443. The reversal of 70472436 is 63427407.

It is a junction number, because it is equal to n+sod(n) for n = 70472397 and 70472406.

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 11 ways as a sum of consecutive naturals, for example, 6601 + ... + 13583.

It is an arithmetic number, because the mean of its divisors is an integer number (4731272).

Almost surely, 2^70472436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70472436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85162896).

70472436 is an abundant number, since it is smaller than the sum of its proper divisors (99853356).

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

70472436 is a wasteful number, since it uses less digits than its factorization.

70472436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7048 (or 7017 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 70472436 is about 8394.7862390891. The cubic root of 70472436 is about 413.0536155225.

The spelling of 70472436 in words is "seventy million, four hundred seventy-two thousand, four hundred thirty-six".