70632239 has 2 divisors, whose sum is σ = 70632240. Its totient is φ = 70632238.

The previous prime is 70632227. The next prime is 70632251. The reversal of 70632239 is 93223607.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (70632227) and next prime (70632251).

It is a cyclic number.

It is not a de Polignac number, because 70632239 - 2⁸ = 70631983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70632209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35316119 + 35316120.

It is an arithmetic number, because the mean of its divisors is an integer number (35316120).

Almost surely, 2^70632239 is an apocalyptic number.

70632239 is a deficient number, since it is larger than the sum of its proper divisors (1).

70632239 is an equidigital number, since it uses as much as digits as its factorization.

70632239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 70632239 is about 8404.2988404744. The cubic root of 70632239 is about 413.3655927100.

The spelling of 70632239 in words is "seventy million, six hundred thirty-two thousand, two hundred thirty-nine".