747020472 has 64 divisors (see below), whose sum is σ = 2052086400. Its totient is φ = 224730240.

The previous prime is 747020459. The next prime is 747020479. The reversal of 747020472 is 274020747.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747020479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26518 + ... + 46874.

It is an arithmetic number, because the mean of its divisors is an integer number (32063850).

Almost surely, 2^747020472 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 747020472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1026043200).

747020472 is an abundant number, since it is smaller than the sum of its proper divisors (1305065928).

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

747020472 is a wasteful number, since it uses less digits than its factorization.

747020472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20516 (or 20512 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 33.

The square root of 747020472 is about 27331.6752505221. The cubic root of 747020472 is about 907.3555526000.

The spelling of 747020472 in words is "seven hundred forty-seven million, twenty thousand, four hundred seventy-two".