70620161 has 8 divisors (see below), whose sum is σ = 72806784. Its totient is φ = 68448240.

The previous prime is 70620113. The next prime is 70620181. The reversal of 70620161 is 16102607.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70620161 - 2¹⁰ = 70619137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70620181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6506 + ... + 13548.

It is an arithmetic number, because the mean of its divisors is an integer number (9100848).

Almost surely, 2^70620161 is an apocalyptic number.

It is an amenable number.

70620161 is a deficient number, since it is larger than the sum of its proper divisors (2186623).

70620161 is a wasteful number, since it uses less digits than its factorization.

70620161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7351.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 70620161 is about 8403.5802489177. The cubic root of 70620161 is about 413.3420297482.

Adding to 70620161 its reverse (16102607), we get a palindrome (86722768).

The spelling of 70620161 in words is "seventy million, six hundred twenty thousand, one hundred sixty-one".