70672351 has 2 divisors, whose sum is σ = 70672352. Its totient is φ = 70672350.

The previous prime is 70672289. The next prime is 70672361. The reversal of 70672351 is 15327607.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70672351 - 2¹⁹ = 70148063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70672361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35336175 + 35336176.

It is an arithmetic number, because the mean of its divisors is an integer number (35336176).

Almost surely, 2^70672351 is an apocalyptic number.

70672351 is a deficient number, since it is larger than the sum of its proper divisors (1).

70672351 is an equidigital number, since it uses as much as digits as its factorization.

70672351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 70672351 is about 8406.6848995308. The cubic root of 70672351 is about 413.4438279140.

Adding to 70672351 its reverse (15327607), we get a palindrome (85999958).

The spelling of 70672351 in words is "seventy million, six hundred seventy-two thousand, three hundred fifty-one".