70913951 has 2 divisors, whose sum is σ = 70913952. Its totient is φ = 70913950.

The previous prime is 70913933. The next prime is 70913963. The reversal of 70913951 is 15931907.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70913951 - 2¹⁸ = 70651807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70913981) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35456975 + 35456976.

It is an arithmetic number, because the mean of its divisors is an integer number (35456976).

Almost surely, 2^70913951 is an apocalyptic number.

70913951 is a deficient number, since it is larger than the sum of its proper divisors (1).

70913951 is an equidigital number, since it uses as much as digits as its factorization.

70913951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8505, while the sum is 35.

The square root of 70913951 is about 8421.0421564080. The cubic root of 70913951 is about 413.9144241117.

The spelling of 70913951 in words is "seventy million, nine hundred thirteen thousand, nine hundred fifty-one".