70230551 has 4 divisors (see below), whose sum is σ = 72128712. Its totient is φ = 68332392.

The previous prime is 70230529. The next prime is 70230557. The reversal of 70230551 is 15503207.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15503207 = 41 ⋅378127.

It is a cyclic number.

It is not a de Polignac number, because 70230551 - 2⁶ = 70230487 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 (70230557) 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, 949025 + ... + 949098.

It is an arithmetic number, because the mean of its divisors is an integer number (18032178).

Almost surely, 2^70230551 is an apocalyptic number.

70230551 is a deficient number, since it is larger than the sum of its proper divisors (1898161).

70230551 is a wasteful number, since it uses less digits than its factorization.

70230551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898160.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 70230551 is about 8380.3669967371. The cubic root of 70230551 is about 412.5804943619.

Adding to 70230551 its reverse (15503207), we get a palindrome (85733758).

The spelling of 70230551 in words is "seventy million, two hundred thirty thousand, five hundred fifty-one".