70552089 has 6 divisors (see below), whose sum is σ = 101908586. Its totient is φ = 47034720.

The previous prime is 70552087. The next prime is 70552093. The reversal of 70552089 is 98025507.

It can be written as a sum of positive squares in only one way, i.e., 65076489 + 5475600 = 8067^2 + 2340^2 .

It is not a de Polignac number, because 70552089 - 2¹ = 70552087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70552087) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3919552 + ... + 3919569.

Almost surely, 2^70552089 is an apocalyptic number.

It is an amenable number.

70552089 is a deficient number, since it is larger than the sum of its proper divisors (31356497).

70552089 is a wasteful number, since it uses less digits than its factorization.

70552089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7839127 (or 7839124 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 70552089 is about 8399.5290939433. The cubic root of 70552089 is about 413.2091778653.

The spelling of 70552089 in words is "seventy million, five hundred fifty-two thousand, eighty-nine".