70620377772 has 48 divisors (see below), whose sum is σ = 198232643840. Its totient is φ = 19115289792.

The previous prime is 70620377767. The next prime is 70620377797. The reversal of 70620377772 is 27777302607.

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 15 ways as a sum of consecutive naturals, for example, 22122583 + ... + 22125774.

Almost surely, 2^70620377772 is an apocalyptic number.

It is an amenable number.

70620377772 is an abundant number, since it is smaller than the sum of its proper divisors (127612266068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70620377772 is a wasteful number, since it uses less digits than its factorization.

70620377772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44248390 (or 44248388 counting only the distinct ones).

The product of its (nonzero) digits is 1210104, while the sum is 48.

The spelling of 70620377772 in words is "seventy billion, six hundred twenty million, three hundred seventy-seven thousand, seven hundred seventy-two".