70580538 has 64 divisors (see below), whose sum is σ = 182250240. Its totient is φ = 19828800.

The previous prime is 70580533. The next prime is 70580563. The reversal of 70580538 is 83508507.

It is a happy number.

70580538 is a `hidden beast` number, since 70 + 58 + 0 + 538 = 666.

It is a super-2 number, since 2×70580538² = 9963224688738888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70580533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21528 + ... + 24588.

It is an arithmetic number, because the mean of its divisors is an integer number (2847660).

Almost surely, 2^70580538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70580538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91125120).

70580538 is an abundant number, since it is smaller than the sum of its proper divisors (111669702).

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

70580538 is a wasteful number, since it uses less digits than its factorization.

70580538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140 (or 3134 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 70580538 is about 8401.2224110542. Note that the first 3 decimals coincide. The cubic root of 70580538 is about 413.2647103963.

The spelling of 70580538 in words is "seventy million, five hundred eighty thousand, five hundred thirty-eight".