70711951 has 2 divisors, whose sum is σ = 70711952. Its totient is φ = 70711950.

The previous prime is 70711903. The next prime is 70711967. The reversal of 70711951 is 15911707.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70711951 - 2⁹ = 70711439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70711051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35355975 + 35355976.

It is an arithmetic number, because the mean of its divisors is an integer number (35355976).

Almost surely, 2^70711951 is an apocalyptic number.

70711951 is a deficient number, since it is larger than the sum of its proper divisors (1).

70711951 is an equidigital number, since it uses as much as digits as its factorization.

70711951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2205, while the sum is 31.

The square root of 70711951 is about 8409.0398381742. The cubic root of 70711951 is about 413.5210354702.

The spelling of 70711951 in words is "seventy million, seven hundred eleven thousand, nine hundred fifty-one".