70451699 has 2 divisors, whose sum is σ = 70451700. Its totient is φ = 70451698.

The previous prime is 70451671. The next prime is 70451707. The reversal of 70451699 is 99615407.

It is a strong prime.

It is an emirp because it is prime and its reverse (99615407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70451699 - 2¹⁶ = 70386163 is a prime.

It is not a weakly prime, because it can be changed into another prime (70451609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35225849 + 35225850.

It is an arithmetic number, because the mean of its divisors is an integer number (35225850).

Almost surely, 2^70451699 is an apocalyptic number.

70451699 is a deficient number, since it is larger than the sum of its proper divisors (1).

70451699 is an equidigital number, since it uses as much as digits as its factorization.

70451699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 70451699 is about 8393.5510363612. The cubic root of 70451699 is about 413.0130969236.

The spelling of 70451699 in words is "seventy million, four hundred fifty-one thousand, six hundred ninety-nine".