70713780 has 48 divisors (see below), whose sum is σ = 198409344. Its totient is φ = 18817920.

The previous prime is 70713757. The next prime is 70713787. The reversal of 70713780 is 8731707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70713787) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 38769 + ... + 40551.

It is an arithmetic number, because the mean of its divisors is an integer number (4133528).

Almost surely, 2^70713780 is an apocalyptic number.

It is an amenable number.

70713780 is an abundant number, since it is smaller than the sum of its proper divisors (127695564).

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

70713780 is a wasteful number, since it uses less digits than its factorization.

70713780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2456 (or 2454 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 33.

The square root of 70713780 is about 8409.1485894828. The cubic root of 70713780 is about 413.5246007490.

The spelling of 70713780 in words is "seventy million, seven hundred thirteen thousand, seven hundred eighty".