70668554 has 16 divisors (see below), whose sum is σ = 116284896. Its totient is φ = 31942800.

The previous prime is 70668553. The next prime is 70668569. The reversal of 70668554 is 45586607.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70668553) 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, 4892 + ... + 12855.

It is an arithmetic number, because the mean of its divisors is an integer number (7267806).

Almost surely, 2^70668554 is an apocalyptic number.

70668554 is a deficient number, since it is larger than the sum of its proper divisors (45616342).

70668554 is a wasteful number, since it uses less digits than its factorization.

70668554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17941.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 70668554 is about 8406.4590643148. The cubic root of 70668554 is about 413.4364234420.

The spelling of 70668554 in words is "seventy million, six hundred sixty-eight thousand, five hundred fifty-four".