70977146 has 8 divisors (see below), whose sum is σ = 106501824. Its totient is φ = 35476540.

The previous prime is 70977139. The next prime is 70977157. The reversal of 70977146 is 64177907.

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

It is an unprimeable number.

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, 6911 + ... + 13773.

It is an arithmetic number, because the mean of its divisors is an integer number (13312728).

Almost surely, 2^70977146 is an apocalyptic number.

70977146 is a deficient number, since it is larger than the sum of its proper divisors (35524678).

70977146 is a wasteful number, since it uses less digits than its factorization.

70977146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12036.

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 70977146 is about 8424.7935286273. The cubic root of 70977146 is about 414.0373409496.

The spelling of 70977146 in words is "seventy million, nine hundred seventy-seven thousand, one hundred forty-six".