70930780 has 12 divisors (see below), whose sum is σ = 148954680. Its totient is φ = 28372304.

The previous prime is 70930777. The next prime is 70930787. The reversal of 70930780 is 8703907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70930787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1773250 + ... + 1773289.

It is an arithmetic number, because the mean of its divisors is an integer number (12412890).

Almost surely, 2^70930780 is an apocalyptic number.

It is an amenable number.

70930780 is an abundant number, since it is smaller than the sum of its proper divisors (78023900).

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

70930780 is a wasteful number, since it uses less digits than its factorization.

70930780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3546548 (or 3546546 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 70930780 is about 8422.0413202501. The cubic root of 70930780 is about 413.9471643309.

The spelling of 70930780 in words is "seventy million, nine hundred thirty thousand, seven hundred eighty".