70730460 has 72 divisors (see below), whose sum is σ = 216814416. Its totient is φ = 18662400.

The previous prime is 70730417. The next prime is 70730467. The reversal of 70730460 is 6403707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70730467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15435 + ... + 19485.

Almost surely, 2^70730460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70730460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108407208).

70730460 is an abundant number, since it is smaller than the sum of its proper divisors (146083956).

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

70730460 is a wasteful number, since it uses less digits than its factorization.

70730460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163 (or 4158 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 70730460 is about 8410.1403079854. The cubic root of 70730460 is about 413.5571123192.

The spelling of 70730460 in words is "seventy million, seven hundred thirty thousand, four hundred sixty".