780167472 has 80 divisors (see below), whose sum is σ = 2318756352. Its totient is φ = 221414400.

The previous prime is 780167471. The next prime is 780167489. The reversal of 780167472 is 274761087.

It is a super-2 number, since 2×780167472² = 1217322568733741568, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (780167471) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 43048 + ... + 58424.

Almost surely, 2^780167472 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 780167472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1159378176).

780167472 is an abundant number, since it is smaller than the sum of its proper divisors (1538588880).

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

780167472 is a wasteful number, since it uses less digits than its factorization.

780167472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15546 (or 15540 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 42.

The square root of 780167472 is about 27931.4781563740. The cubic root of 780167472 is about 920.5822841884.

The spelling of 780167472 in words is "seven hundred eighty million, one hundred sixty-seven thousand, four hundred seventy-two".