70499617 has 4 divisors (see below), whose sum is σ = 70810416. Its totient is φ = 70188820.

The previous prime is 70499579. The next prime is 70499641. The reversal of 70499617 is 71699407.

It is a happy number.

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 70499617 - 2¹¹ = 70497569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70499417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155059 + ... + 155512.

It is an arithmetic number, because the mean of its divisors is an integer number (17702604).

Almost surely, 2^70499617 is an apocalyptic number.

It is an amenable number.

70499617 is a deficient number, since it is larger than the sum of its proper divisors (310799).

70499617 is a wasteful number, since it uses less digits than its factorization.

70499617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310798.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 70499617 is about 8396.4050045243. The cubic root of 70499617 is about 413.1067131961.

The spelling of 70499617 in words is "seventy million, four hundred ninety-nine thousand, six hundred seventeen".