70452180 has 120 divisors (see below), whose sum is σ = 223221768. Its totient is φ = 18600192.

The previous prime is 70452157. The next prime is 70452203. The reversal of 70452180 is 8125407.

It is an interprime number because it is at equal distance from previous prime (70452157) and next prime (70452203).

It can be written as a sum of positive squares in 4 ways, for example, as 93636 + 70358544 = 306^2 + 8388^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 254202 + ... + 254478.

Almost surely, 2^70452180 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 70452180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111610884).

70452180 is an abundant number, since it is smaller than the sum of its proper divisors (152769588).

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

70452180 is a wasteful number, since it uses less digits than its factorization.

70452180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 70452180 is about 8393.5796892625. The cubic root of 70452180 is about 413.0140368529.

Adding to 70452180 its reverse (8125407), we get a palindrome (78577587).

The spelling of 70452180 in words is "seventy million, four hundred fifty-two thousand, one hundred eighty".