70672978 has 16 divisors (see below), whose sum is σ = 112510944. Its totient is φ = 33179200.

The previous prime is 70672969. The next prime is 70672993. The reversal of 70672978 is 87927607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13653 + ... + 18103.

It is an arithmetic number, because the mean of its divisors is an integer number (7031934).

Almost surely, 2^70672978 is an apocalyptic number.

70672978 is a deficient number, since it is larger than the sum of its proper divisors (41837966).

70672978 is a wasteful number, since it uses less digits than its factorization.

70672978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4937.

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 70672978 is about 8406.7221911991. The cubic root of 70672978 is about 413.4450505916.

The spelling of 70672978 in words is "seventy million, six hundred seventy-two thousand, nine hundred seventy-eight".