70543201 has 9 divisors (see below), whose sum is σ = 72822099. Its totient is φ = 68334264.

The previous prime is 70543169. The next prime is 70543211. The reversal of 70543201 is 10234507.

The square root of 70543201 is 8399.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 63123025 + 7420176 = 7945^2 + 2724^2 .

It is not a de Polignac number, because 70543201 - 2⁵ = 70543169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70543211) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 310650 + ... + 310876.

Almost surely, 2^70543201 is an apocalyptic number.

70543201 is the 8399-th square number.

70543201 is the 4200-th centered octagonal number.

It is an amenable number.

70543201 is a deficient number, since it is larger than the sum of its proper divisors (2278898).

70543201 is an frugal number, since it uses more digits than its factorization.

70543201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The cubic root of 70543201 is about 413.1918254030.

Adding to 70543201 its reverse (10234507), we get a palindrome (80777708).

The spelling of 70543201 in words is "seventy million, five hundred forty-three thousand, two hundred one".