70034780 has 12 divisors (see below), whose sum is σ = 147073080. Its totient is φ = 28013904.

The previous prime is 70034761. The next prime is 70034791. The reversal of 70034780 is 8743007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1750850 + ... + 1750889.

It is an arithmetic number, because the mean of its divisors is an integer number (12256090).

Almost surely, 2^70034780 is an apocalyptic number.

It is an amenable number.

70034780 is an abundant number, since it is smaller than the sum of its proper divisors (77038300).

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

70034780 is a wasteful number, since it uses less digits than its factorization.

70034780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3501748 (or 3501746 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 70034780 is about 8368.6785097768. The cubic root of 70034780 is about 412.1967750141.

Adding to 70034780 its reverse (8743007), we get a palindrome (78777787).

The spelling of 70034780 in words is "seventy million, thirty-four thousand, seven hundred eighty".