70550231 has 8 divisors (see below), whose sum is σ = 72832320. Its totient is φ = 68287968.

The previous prime is 70550219. The next prime is 70550237. The reversal of 70550231 is 13205507.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70550231 - 2²⁶ = 3441367 is a prime.

It is a super-2 number, since 2×70550231² = 9954670188306722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70550197 and 70550206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70550237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2450 + ... + 12128.

It is an arithmetic number, because the mean of its divisors is an integer number (9104040).

Almost surely, 2^70550231 is an apocalyptic number.

70550231 is a deficient number, since it is larger than the sum of its proper divisors (2282089).

70550231 is a wasteful number, since it uses less digits than its factorization.

70550231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9913.

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

The square root of 70550231 is about 8399.4184917767. The cubic root of 70550231 is about 413.2055505246.

Adding to 70550231 its reverse (13205507), we get a palindrome (83755738).

The spelling of 70550231 in words is "seventy million, five hundred fifty thousand, two hundred thirty-one".