70776442 has 16 divisors (see below), whose sum is σ = 115964064. Its totient is φ = 32130000.

The previous prime is 70776439. The next prime is 70776467. The reversal of 70776442 is 24467707.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21592 + ... + 24652.

It is an arithmetic number, because the mean of its divisors is an integer number (7247754).

Almost surely, 2^70776442 is an apocalyptic number.

70776442 is a deficient number, since it is larger than the sum of its proper divisors (45187622).

70776442 is a wasteful number, since it uses less digits than its factorization.

70776442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4125.

The product of its (nonzero) digits is 65856, while the sum is 37.

The square root of 70776442 is about 8412.8735875443. The cubic root of 70776442 is about 413.6467109816.

The spelling of 70776442 in words is "seventy million, seven hundred seventy-six thousand, four hundred forty-two".