70487017 has 4 divisors (see below), whose sum is σ = 74196880. Its totient is φ = 66777156.

The previous prime is 70487009. The next prime is 70487051. The reversal of 70487017 is 71078407.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70487017 - 2³ = 70487009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70487717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1854903 + ... + 1854940.

It is an arithmetic number, because the mean of its divisors is an integer number (18549220).

Almost surely, 2^70487017 is an apocalyptic number.

It is an amenable number.

70487017 is a deficient number, since it is larger than the sum of its proper divisors (3709863).

70487017 is a wasteful number, since it uses less digits than its factorization.

70487017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709862.

The product of its (nonzero) digits is 10976, while the sum is 34.

The square root of 70487017 is about 8395.6546498769. The cubic root of 70487017 is about 413.0821009833.

The spelling of 70487017 in words is "seventy million, four hundred eighty-seven thousand, seventeen".