70864901 has 2 divisors, whose sum is σ = 70864902. Its totient is φ = 70864900.

The previous prime is 70864883. The next prime is 70864921. The reversal of 70864901 is 10946807.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57912100 + 12952801 = 7610^2 + 3599^2 .

It is a cyclic number.

It is not a de Polignac number, because 70864901 - 2⁶ = 70864837 is a prime.

It is a super-3 number, since 3×70864901³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70864921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35432450 + 35432451.

It is an arithmetic number, because the mean of its divisors is an integer number (35432451).

Almost surely, 2^70864901 is an apocalyptic number.

It is an amenable number.

70864901 is a deficient number, since it is larger than the sum of its proper divisors (1).

70864901 is an equidigital number, since it uses as much as digits as its factorization.

70864901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 70864901 is about 8418.1293052554. The cubic root of 70864901 is about 413.8189695268.

The spelling of 70864901 in words is "seventy million, eight hundred sixty-four thousand, nine hundred one".