70472052 has 144 divisors (see below), whose sum is σ = 217983360. Its totient is φ = 19284480.

The previous prime is 70472047. The next prime is 70472053. The reversal of 70472052 is 25027407.

It is a super-2 number, since 2×70472052² = 9932620226181408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70472053) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 726468 + ... + 726564.

Almost surely, 2^70472052 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 70472052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108991680).

70472052 is an abundant number, since it is smaller than the sum of its proper divisors (147511308).

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

70472052 is a wasteful number, since it uses less digits than its factorization.

70472052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 70472052 is about 8394.7633677192. The cubic root of 70472052 is about 413.0528652865.

Adding to 70472052 its reverse (25027407), we get a palindrome (95499459).

The spelling of 70472052 in words is "seventy million, four hundred seventy-two thousand, fifty-two".