80364570 has 144 divisors (see below), whose sum is σ = 231317856. Its totient is φ = 17846400.

The previous prime is 80364569. The next prime is 80364607. The reversal of 80364570 is 7546308.

80364570 = 51² + 52² + ... + 622².

It is a super-2 number, since 2×80364570² = 12916928222569800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 613405 + ... + 613535.

It is an arithmetic number, because the mean of its divisors is an integer number (1606374).

Almost surely, 2^80364570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80364570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115658928).

80364570 is an abundant number, since it is smaller than the sum of its proper divisors (150953286).

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

80364570 is a wasteful number, since it uses less digits than its factorization.

80364570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 80364570 is about 8964.6288266721. The cubic root of 80364570 is about 431.5404814622.

The spelling of 80364570 in words is "eighty million, three hundred sixty-four thousand, five hundred seventy".