70577130 has 128 divisors (see below), whose sum is σ = 192745728. Its totient is φ = 16422912.

The previous prime is 70577123. The next prime is 70577131. The reversal of 70577130 is 3177507.

It is a super-2 number, since 2×70577130² = 9962262558073800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70577131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 966774 + ... + 966846.

It is an arithmetic number, because the mean of its divisors is an integer number (1505826).

Almost surely, 2^70577130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70577130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96372864).

70577130 is an abundant number, since it is smaller than the sum of its proper divisors (122168598).

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

70577130 is a wasteful number, since it uses less digits than its factorization.

70577130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200.

The product of its (nonzero) digits is 5145, while the sum is 30.

The square root of 70577130 is about 8401.0195809794. The cubic root of 70577130 is about 413.2580587572.

It can be divided in two parts, 70577 and 130, that added together give a palindrome (70707).

The spelling of 70577130 in words is "seventy million, five hundred seventy-seven thousand, one hundred thirty".