70572156 has 48 divisors (see below), whose sum is σ = 175176960. Its totient is φ = 22049280.

The previous prime is 70572143. The next prime is 70572157. The reversal of 70572156 is 65127507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70572157) by changing a digit.

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, 20521 + ... + 23711.

It is an arithmetic number, because the mean of its divisors is an integer number (3649520).

Almost surely, 2^70572156 is an apocalyptic number.

70572156 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70572156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87588480).

70572156 is an abundant number, since it is smaller than the sum of its proper divisors (104604804).

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

70572156 is a wasteful number, since it uses less digits than its factorization.

70572156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314 (or 3312 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 70572156 is about 8400.7235402672. The cubic root of 70572156 is about 413.2483502587.

The spelling of 70572156 in words is "seventy million, five hundred seventy-two thousand, one hundred fifty-six".