70887601 has 2 divisors, whose sum is σ = 70887602. Its totient is φ = 70887600.

The previous prime is 70887529. The next prime is 70887653. The reversal of 70887601 is 10678807.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69889600 + 998001 = 8360^2 + 999^2 .

It is a cyclic number.

It is not a de Polignac number, because 70887601 - 2⁷ = 70887473 is a prime.

It is not a weakly prime, because it can be changed into another prime (70882601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35443800 + 35443801.

It is an arithmetic number, because the mean of its divisors is an integer number (35443801).

Almost surely, 2^70887601 is an apocalyptic number.

It is an amenable number.

70887601 is a deficient number, since it is larger than the sum of its proper divisors (1).

70887601 is an equidigital number, since it uses as much as digits as its factorization.

70887601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 70887601 is about 8419.4774778486. The cubic root of 70887601 is about 413.8631507206.

The spelling of 70887601 in words is "seventy million, eight hundred eighty-seven thousand, six hundred one".