743748012 has 72 divisors (see below), whose sum is σ = 2168764416. Its totient is φ = 210505824.

The previous prime is 743747971. The next prime is 743748013. The reversal of 743748012 is 210847347.

It is a happy number.

It is a super-2 number, since 2×743748012² = 1106322210707904288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (743748013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13173 + ... + 40755.

It is an arithmetic number, because the mean of its divisors is an integer number (30121728).

Almost surely, 2^743748012 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 743748012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1084382208).

743748012 is an abundant number, since it is smaller than the sum of its proper divisors (1425016404).

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

743748012 is a wasteful number, since it uses less digits than its factorization.

743748012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27707 (or 27702 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 743748012 is about 27271.7438386327. The cubic root of 743748012 is about 906.0286674262.

The spelling of 743748012 in words is "seven hundred forty-three million, seven hundred forty-eight thousand, twelve".