70642274 has 16 divisors (see below), whose sum is σ = 108155520. Its totient is φ = 34597680.

The previous prime is 70642267. The next prime is 70642291. The reversal of 70642274 is 47224607.

It is a self number, because there is not a number n which added to its sum of digits gives 70642274.

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 7 ways as a sum of consecutive naturals, for example, 18992 + ... + 22404.

It is an arithmetic number, because the mean of its divisors is an integer number (6759720).

Almost surely, 2^70642274 is an apocalyptic number.

70642274 is a deficient number, since it is larger than the sum of its proper divisors (37513246).

70642274 is a wasteful number, since it uses less digits than its factorization.

70642274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3625.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 70642274 is about 8404.8958351665. The cubic root of 70642274 is about 413.3851679415.

The spelling of 70642274 in words is "seventy million, six hundred forty-two thousand, two hundred seventy-four".