70552351 has 4 divisors (see below), whose sum is σ = 70683304. Its totient is φ = 70421400.

The previous prime is 70552343. The next prime is 70552357. The reversal of 70552351 is 15325507.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70552351 - 2³ = 70552343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70552357) 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 3 ways as a sum of consecutive naturals, for example, 64665 + ... + 65746.

It is an arithmetic number, because the mean of its divisors is an integer number (17670826).

Almost surely, 2^70552351 is an apocalyptic number.

70552351 is a deficient number, since it is larger than the sum of its proper divisors (130953).

70552351 is a wasteful number, since it uses less digits than its factorization.

70552351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130952.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 70552351 is about 8399.5446900412. The cubic root of 70552351 is about 413.2096893582.

Adding to 70552351 its reverse (15325507), we get a palindrome (85877858).

The spelling of 70552351 in words is "seventy million, five hundred fifty-two thousand, three hundred fifty-one".