744527707420 has 96 divisors (see below), whose sum is σ = 1847655936000. Its totient is φ = 246610552320.

The previous prime is 744527707387. The next prime is 744527707423. The reversal of 744527707420 is 24707725447.

It is a super-2 number, since 2×744527707420² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744527707423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2401456 + ... + 2693704.

It is an arithmetic number, because the mean of its divisors is an integer number (19246416000).

Almost surely, 2^744527707420 is an apocalyptic number.

744527707420 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 744527707420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (923827968000).

744527707420 is an abundant number, since it is smaller than the sum of its proper divisors (1103128228580).

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

744527707420 is a wasteful number, since it uses less digits than its factorization.

744527707420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292883 (or 292881 counting only the distinct ones).

The product of its (nonzero) digits is 3073280, while the sum is 49.

The spelling of 744527707420 in words is "seven hundred forty-four billion, five hundred twenty-seven million, seven hundred seven thousand, four hundred twenty".