70776742 has 8 divisors (see below), whose sum is σ = 108754632. Its totient is φ = 34525200.

The previous prime is 70776731. The next prime is 70776749. The reversal of 70776742 is 24767707.

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

It is a junction number, because it is equal to n+sod(n) for n = 70776695 and 70776704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70776749) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 431484 + ... + 431647.

It is an arithmetic number, because the mean of its divisors is an integer number (13594329).

Almost surely, 2^70776742 is an apocalyptic number.

70776742 is a deficient number, since it is larger than the sum of its proper divisors (37977890).

70776742 is a wasteful number, since it uses less digits than its factorization.

70776742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863174.

The product of its (nonzero) digits is 115248, while the sum is 40.

The square root of 70776742 is about 8412.8914173428. The cubic root of 70776742 is about 413.6472954220.

The spelling of 70776742 in words is "seventy million, seven hundred seventy-six thousand, seven hundred forty-two".