70860619 has 2 divisors, whose sum is σ = 70860620. Its totient is φ = 70860618.

The previous prime is 70860617. The next prime is 70860683. The reversal of 70860619 is 91606807.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70860619 - 2¹ = 70860617 is a prime.

It is a super-2 number, since 2×70860619² = 10042454650126322, which contains 22 as substring.

Together with 70860617, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (70860617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35430309 + 35430310.

It is an arithmetic number, because the mean of its divisors is an integer number (35430310).

Almost surely, 2^70860619 is an apocalyptic number.

70860619 is a deficient number, since it is larger than the sum of its proper divisors (1).

70860619 is an equidigital number, since it uses as much as digits as its factorization.

70860619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 70860619 is about 8417.8749693732. The cubic root of 70860619 is about 413.8106343779.

The spelling of 70860619 in words is "seventy million, eight hundred sixty thousand, six hundred nineteen".