70617967 has 12 divisors (see below), whose sum is σ = 82921320. Its totient is φ = 59959536.

The previous prime is 70617961. The next prime is 70617991. The reversal of 70617967 is 76971607.

It is a happy number.

It is not a de Polignac number, because 70617967 - 2³ = 70617959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70617961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1492 + ... + 11977.

It is an arithmetic number, because the mean of its divisors is an integer number (6910110).

Almost surely, 2^70617967 is an apocalyptic number.

70617967 is a deficient number, since it is larger than the sum of its proper divisors (12303353).

70617967 is a wasteful number, since it uses less digits than its factorization.

70617967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13590 (or 13583 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 43.

The square root of 70617967 is about 8403.4497083043. The cubic root of 70617967 is about 413.3377491868.

The spelling of 70617967 in words is "seventy million, six hundred seventeen thousand, nine hundred sixty-seven".