743572872 has 80 divisors (see below), whose sum is σ = 2380234560. Its totient is φ = 212448096.

The previous prime is 743572871. The next prime is 743572891. The reversal of 743572872 is 278275347.

743572872 is a `hidden beast` number, since 7 + 4 + 3 + 572 + 8 + 72 = 666.

It is a super-3 number, since 3×743572872³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (743572871) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 77428 + ... + 86499.

It is an arithmetic number, because the mean of its divisors is an integer number (29752932).

Almost surely, 2^743572872 is an apocalyptic number.

743572872 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

743572872 is an abundant number, since it is smaller than the sum of its proper divisors (1636661688).

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

743572872 is a wasteful number, since it uses less digits than its factorization.

743572872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163952 (or 163939 counting only the distinct ones).

The product of its digits is 658560, while the sum is 45.

The square root of 743572872 is about 27268.5326337887. The cubic root of 743572872 is about 905.9575437322.

The spelling of 743572872 in words is "seven hundred forty-three million, five hundred seventy-two thousand, eight hundred seventy-two".